The title page of a 1634 version of Hues' Tractatus de globis in the collection of the Biblioteca Nacional de Portugal
Little Hereford, Herefordshire, England
|Died||24 May 1632 (aged 78–79)
Oxford, Oxfordshire, England
|Alma mater||St Mary Hall, Oxford (BA, 1578)|
|Known for||publishing Tractatus de globis et eorum usu (Treatise on Globes and their Use, 1594)|
Robert Hues (1553 – 24 May 1632) was an English mathematician and geographer. He attended St. Mary Hall at Oxford, and graduated in 1578. Hues became interested in geography and mathematics, and studied navigation at a school set up by Walter Raleigh. During a trip to Newfoundland, he made observations which caused him to doubt the accepted published values for variations of the compass. Between 1586 and 1588, Hues travelled with Thomas Cavendish on a circumnavigation of the globe, performing astronomical observations and taking the latitudes of places they visited. Beginning in August 1591, Hues and Cavendish again set out on another circumnavigation of the globe. During the voyage, Hues made astronomical observations in the South Atlantic, and continued his observations of the variation of the compass at various latitudes and at the Equator. Cavendish died on the journey in 1592, and Hues returned to England the following year.
In 1594, Hues published his discoveries in the Latin work Tractatus de globis et eorum usu (Treatise on Globes and Their Use) which was written to explain the use of the terrestrial and celestial globes that had been made and published by Emery Molyneux in late 1592 or early 1593, and to encourage English sailors to use practical astronomical navigation. Hues' work subsequently went into at least 12 other printings in Dutch, English, French and Latin.
Hues continued to have dealings with Raleigh in the 1590s, and later became a servant of Thomas Grey, 15th Baron Grey de Wilton. While Grey was imprisoned in the Tower of London for participating in the Bye Plot, Hues stayed with him. Following Grey's death in 1614, Hues attended upon Henry Percy, the 9th Earl of Northumberland, when he was confined in the Tower; one source states that Hues, Thomas Harriot and Walter Warner were Northumberland's constant companions and known as his "Three Magi", although this is disputed. Hues tutored Northumberland's son Algernon Percy (who was to become the 10th Earl of Northumberland) at Oxford, and subsequently (in 1622–1623) Algernon's younger brother Henry. In later years, Hues lived in Oxford where he was a fellow of the University, and discussed mathematics and related subjects with like-minded friends. He died on 24 May 1632 in the city and was buried in Christ Church Cathedral.
Early years and education
Robert Hues was born in 1553 at Little Hereford in Herefordshire, England. In 1571, at the age of 18 years, he entered Brasenose College, University of Oxford. English antiquarian Anthony à Wood (1632–1695) wrote that when Hues arrived at Oxford he was "only a poor scholar or servitor ... he continued for some time a very sober and serious servant ... but being sensible of the loss of time which he sustained there by constant attendance, he transferred himself to St Mary's Hall". Hues graduated with a Bachelor of Arts (B.A.) degree on 12 July 1578, having shown marked skill in Greek. He later gave advice to the dramatist and poet George Chapman for his 1616 English translation of Homer, and Chapman referred to him as his "learned and valuable friend". According to the Oxford Dictionary of National Biography, there is unsubstantiated evidence that after completing his degree Hues was held in the Tower of London, though no reason is given for this, then went abroad after his release. It is possible he travelled to Continental Europe.
Hues was a friend of the geographer Richard Hakluyt, who was then regent master of Christ Church. In the 1580s, Hakluyt introduced him to Walter Raleigh and explorers and navigators whom Raleigh knew. In addition, it is likely that Hues came to know astronomer and mathematician Thomas Harriot and Walter Warner at Thomas Allen's lectures in mathematics. The four men were later associated with Henry Percy, the 9th Earl of Northumberland, who was known as the "Wizard Earl" for his interest in scientific and alchemical experiments and his library.
Hues became interested in geography and mathematics – an undated source indicates that he disputed accepted values of variations of the compass after making observations off the Newfoundland coast. He either went there on a fishing trip, or may have joined a 1585 voyage to Virginia arranged by Raleigh and led by Richard Grenville, which passed Newfoundland on the return journey to England. Hues perhaps become acquainted with the sailor Thomas Cavendish at this time, as both of them were taught by Harriot at Raleigh's school of navigation. An anonymous 17th-century manuscript states that Hues circumnavigated the world with Cavendish between 1586 and 1588 "purposely for taking the true Latitude of places"; he may have been the "NH" who wrote a brief account of the voyage that was published by Hakluyt in his 1589 work The Principall Navigations, Voiages, and Discoveries of the English Nation. In the year that book appeared, Hues was with Edward Wright on the Earl of Cumberland's raiding expedition to the Azores to capture Spanish galleons.
Beginning in August 1591, Hues joined Cavendish on another attempt to circumnavigate the globe. Sailing on the Leicester, they were accompanied by the explorer John Davis on the Desire. Cavendish and Davis agreed that they would part company once they had cleared the Strait of Magellan between Chile and Isla Grande de Tierra del Fuego, as Davis intended to sail to America to search for the Northwest Passage. The expedition was ultimately unsuccessful, although Davis did discover the Falkland Islands. In the meantime, delayed in small harbours in the Strait with crew members dying from the cold, illness and starvation, Cavendish turned back eastwards to return to England. He was plagued by mutinous crewmen, and also by natives and Portuguese who attacked his sailors seeking food and water on shore. Increasingly depressed, Cavendish died in 1592 somewhere in the Atlantic Ocean, possibly a suicide.
During the voyage, Hues made astronomical observations of the Southern Cross and other stars of the Southern Hemisphere while in the South Atlantic, and also observed the variation of the compass there and at the Equator. He returned to England with Davis in 1593, and published his discoveries in the work Tractatus de globis et eorum usu (Treatise on Globes and Their Use, 1594), which he dedicated to Raleigh. The book was written to explain the use of the terrestrial and celestial globes that had been made and published by Emery Molyneux in late 1592 or early 1593. Apparently, the book was also intended to encourage English sailors to use practical astronomical navigation, although Lesley Cormack has observed that the fact it was written in Latin suggests that it was aimed at scholarly readers on the Continent. In 1595, William Sanderson, a London merchant who had largely financed the globes' construction, presented a small globe together with Hues' "Latin booke that teacheth the use of my great globes" to Robert Cecil, a statesman who was spymaster and minister to Elizabeth I and James I. Hues' work subsequently went into at least 12 other printings in Dutch (1597, 1613 and 1622), English (1638 and 1659), French (1618) and Latin (1611, 1613, 1617, 1627, 1659 and 1663). In his book An Accidence or The Path-way to Experience: Necessary for all Young Sea-men (1626), John Smith, who founded the first permanent English settlement in North America at Jamestown, Virginia, listed Hues' book among the works that a young seaman should study.
Tractatus de globis begins with a letter by Hues dedicated to Raleigh that recalled geographical discoveries made by Englishmen during Elizabeth I's reign. However, he felt that his countrymen would have surpassed the Spaniards and Portuguese if they had a complete knowledge of astronomy and geometry, which were essential to successful navigation. In the preface of the book, Hues rehearsed arguments that proved the earth is a sphere, and refuted opposing theories. The treatise was divided into five parts. The first part described elements common to Molyneux's terrestrial and celestial globes, including the circles and lines inscribed on them, zones and climates, and the use of each globe's wooden horizon circle and brass meridian. The second part described planets, fixed stars and constellations; while the third part described the lands and seas shown on the terrestrial globe, and discussed the length of the circumference of the earth and of a degree of a great circle. Part 4, which Hues considered the most important part of the work, explained how the globes enabled seamen to determine the sun's position, latitude, course and distance, amplitudes and azimuths, and time and declination. The final part of the work contained a treatise inspired by Harriot on rhumb lines. In the work, Hues also published for the first time the six fundamental navigational propositions involved in solving what was later termed the "nautical triangle" used for plane sailing. Difference of latitude and departure (or longitude) are two sides of the triangle forming a right angle, the distance travelled is the hypotenuse, and the angle between difference of latitude and distance is the course. If any two elements are known, the other two can be determined by plotting or calculation using tables of sines, tangents and secants.
In the 1590s, Hues continued to have dealings with Raleigh – he was one of the executors of Raleigh's will – and he may have been the "Hewes" who dined with Northumberland regularly in 1591. He later became a servant of Thomas Grey, the 15th and last Baron Grey de Wilton (1575–1614). For participating in the Bye Plot, a conspiracy by Roman Catholic priest William Watson to kidnap James I and force him to repeal anti-Catholic legislation, Grey was attainted and forfeited his title in 1603. The following year, he was imprisoned in the Tower of London. Grey was given consent for Hues to stay in the Tower with him. Between 1605 and 1621, Northumberland was also confined in the Tower; he was suspected of involvement in the Gunpowder Plot of 1605 because his relative Thomas Percy was among the conspirators.
In 1616, following Grey's death, Hues began to be "attendant upon th'aforesaid Earle of Northumberland for matters of learning", and was paid a yearly sum of £40 to support his research until Northumberland's death in 1632. Wood stated that Harriot, Hues and Warner were Northumberland's "constant companions, and were usually called the Earl of Northumberland's Three Magi. They had a table at the Earl's charge, and the Earl himself did constantly converse with them, and with Sir Walter Raleigh, then in the Tower". Together with the scientist Nathanael Toporley and the mathematician Thomas Allen, the men kept abreast of developments in astronomy, mathematics, physiology and the physical sciences, and made important contributions in these areas. According to the letter writer John Chamberlain, Northumberland refused a pardon offered to him in 1617, preferring to remain with Harriot, Hues and Warner. However, the fact that these companions of Northumberland were his "Three Magi" studying with him in the Tower of London has been regarded as a romanticisation by the antiquarian John Aubrey and disputed for lack of evidence. Hues was tutor to Northumberland's sons: first Algernon Percy, who subsequently became the 10th Earl of Northumberland, at Oxford where he matriculated at Christ Church in 1617; and later Algernon's younger brother Henry in 1622–1623. Hues lived at Christ Church at this time, but may have occasionally attended upon Northumberland at Petworth House in Petworth, West Sussex, and at Syon House in London after the latter's release from the Tower in 1622. Hues sometimes met Walter Warner in London, and they are known to have discussed the reflection of bodies.
In later years, Hues lived in Oxford where he discussed mathematics and allied subjects with like-minded friends. Cormack states he was a fellow at the University. Under the terms of the will of Thomas Harriot, who died on 2 July 1621, Hues and Warner were given the responsibility of helping Harriot's executor Nathaniel Torporley to prepare Harriot's mathematical papers for publication. Hues was also required to help price Harriot's books and other possessions for sale to the Bodleian Library.
Hues, who did not marry, died on 24 May 1632 in Stone House, St. Aldate's (opposite the Blue Boar in central Oxford). This was the house of John Smith, M.A., the son of a cook at Christ Church named J. Smith. In his will, Hues made many small bequests to his friends, including a sum of £20 to his "kinswoman" Mary Holly (of whom nothing is known), and 20 nobles to each of her three sisters. He was buried in Christ Church Cathedral, and a monumental brass to him was placed in Christ Church with the following inscription:
Depositum viri literatissimi, morum ac religionis integerrimi, Roberti Husia, ob eruditionem omnigenem [sic: omnigenam?], Theologicam tum Historicam, tum Scholasticam, Philologicam, Philosophiam, præsertim vero Mathematicam (cujus insigne monumentum in typis reliquit) Primum Thomæ Candishio conjunctissimi, cujus in consortio, explorabundis [sic: explorabundus?] velis ambivit orbem: deinde Domino Baroni Gray; cui solator accessit in arca Londinensi. Quo defuncto, ad studia henrici Comitis Northumbriensis ibidem vocatus est, cujus filio instruendo cum aliquot annorum operam in hac Ecclesia dedisset et Academiae confinium locum valetudinariae senectuti commodum censuisset; in ædibus Johannis Smith, corpore exhaustus, sed animo vividus, expiravit die Maii 24, anno reparatae salutis 1632, aetatis suæ 79.
[Here lies a highly lettered man, of the highest moral and religious integrity, Robert Hues, on account of his erudition in all subjects, both Theology and History, and Rhetoric, Philology, and Philosophy, but especially Mathematics (of which a notable volume [i.e., his book] remains in print). He was most closely associated with Thomas Cavendish, in whose company he explored the world by sail; then with Lord Baron Gray, for whom he came as consoler in the Tower of London. When Gray died, he was summoned to study in the same place with Henry Earl of Northumberland, to teach his son, and when he had worked for some years in this Church [i.e., Christ Church Cathedral], and had decided that the place next to the School [i.e., Christ Church, Oxford] was suitable for his health in his old age, he breathed his last at the house of John Smith, his body exhausted, but with a lively spirit, on 24 May, in the year of our salvation 1632, at the age of 79.]
- Hues, Robert (1594), Tractatus de globis et eorum usu: accommodatus iis qui Londini editi sunt anno 1593, sumptibus Gulielmi Sandersoni civis Londinensis, conscriptus à Roberto Hues [Treatise on Globes and their Use: Adapted to those which have been Published in London in the Year 1593, at the Expense of William Sanderson, a London Resident, Written by Robert Hues], London: In ædibus Thomæ Dawson [in the house of Thomas Dawson], OCLC 55576175 (in Latin), octavo. The following reprints are referred to by Clements Markham in his introduction to the Hakluyt Society's 1889 reprint of the English version of Tractatus de globis at pp. xxxviii–xl:
- 2nd printing: Hues, Robert; Hondium, Iudocum, transl. (1597), Tractaet Ofte Hendelinge van het gebruijck der Hemelscher ende Aertscher Globe. Gheaccommodeert naer die Bollen, die eerst ghesneden zijn in Enghelandt door Io. Hondium, Anno 1693 [sic: 1593] ende nu gants door den selven vernieut, met alle de nieuwe ontdeckinghen van Landen, tot den daghe van heden geschiet, ende daerenboven van voorgaende fauten verbetert. In't Latijn beschreven, door Robertum Hues, Mathematicum, nu in Nederduijtsch overgheset, ende met diveersche nieuwe verclaringhe ende figueren vermeerdert en verciert. Door I. Hondium [Treatise or Essays on the Use of the Celestial and Terrestrial Globes. Tailored for the Globes which were First Made in England by J. Hondius, in the Year 1693 [sic: 1593], and which have now been Completely Revised by Him, with All New Discoveries of Countries up to the Present Day, and furthermore with Previous Errors Corrected. Described in Latin by Robert Hues, Mathematician, and now Translated into Dutch, and Enhanced and Ornamented with Several New Explanations and Figures, by J. Hondius], Amsterdam: Cornelis Claesz, OCLC 42811612 (in Dutch), quarto.
- 3rd printing: Hues, Robert (1611), Tractatus de globis coelesti et terrestri ac eorum usu, conscriptus a Roberto Hues, denuo auctior & emendatior editus [Treatise on Globes Celestial and Terrestrial and their Use, written by Robert Hues, Second Enlarged and Corrected Edition], Amsterdam: Jodocus Hondius, OCLC 187141964 (in Latin), octavo. A reprint of the first edition of 1594.
- 4th printing: Hues, Robert (1613), Tractaut of te handebingen van het gebruych der hemelsike ende aertscher globe [Treatise or Essays on the Use of the Celestial and Terrestrial Globes], Amsterdam: [s.n.] (in Dutch), quarto.
- 5th printing: Hues, Robert (1613), Tractatvs de globis, coelesti et terrestri, ac eorvm vsu [Treatise on Globes, Celestial and Terrestrial, and their Use], Heidelberg: Typis [Printed by] Gotthardi Voegelini, OCLC 46414822 (in Latin). Contains the Index Geographicus. DeGolyer Collection in the History of Science and Technology (now History of Science Collections), University of Oklahoma.
- 6th printing: Hues, Robert (1617), Tractatvs de globis, coelesti et terrestri eorvmqve vsv. Primum conscriptus & editus a Roberto Hues. Anglo semelque atque iterum a Iudoco Hondio excusus, & nunc elegantibus iconibus & figuris locupletatus: ac de novo recognitus multisque observationibus oportunè illustratus as passim auctus opera ac studio Iohannis Isacii Pontani ... [Treatise on Globes, Celestial and Terrestrial, and their Use. First Written and Published by Robert Hues, Englishman, and in the First and Second Editions Drawn by Jodocus Hondius, and now Enlarged by Elegant Pictures and Drawings, and again Revised and Fittingly Illustrated by Many Observations, and throughout Enlarged by the Work and Effort of John Isaac Pontanus ...], Amsterdam: Excudebat [printed by] H[enricus] Hondius (in Latin), quarto.
- 7th printing: Hues, Robert; Henrion, Denis, transl. (1618), Traicté des globes, et de leur usage, traduit du Latin de Robert Hues, et augmente de plusieurs nottes et operations du compas de proportion par D Henrion, mathematicien [A Treatise on Globes and their Use, Translated from the Latin version by Robert Hues, and Augmented with Several Notes and Operations of the Compass of Proportion by D Henrion, Mathematician], Paris: Chez Abraham Pacard, ruë sainct Iacques, au sacrifice d'Abraham [At Abraham Pacard, St. Jacques Street, with the sacrifice of Abraham], OCLC 37802904 (in French), octavo.
- OCLC 79659147 (in Dutch), quarto.
- 9th printing: Hues, Robert (1627), Tractatvs de globis, coelesti et terrestri, ac eorvm vsv [Treatise on Globes, Celestial and Terrestrial, and their Use], Francofvrti ad Moenvm [Frankfurt am Main, Germany]: Typis & sumptibus VVechelianorum, apud Danielem & Dauidem Aubrios & Clementem Schleichium [Printed and paid for by the Wechelians, by Daniel and David Aubrios and Clement Schleich], OCLC 23625532 (in Latin), duodecimo.
- 10th printing: Hues, Robert (1638), A Learned Treatise of Globes, both Cœlestiall and Terrestriall: With their Severall Uses. Written first in Latine, by Mr Robert Hues: And by him so Published. Afterward Illustrated with Notes, by Io. Isa. Pontanus. And now Lastly made English, for the Benefit of the Unlearned by John Chilmead MrA of Christ-Church in Oxon, London: Printed by the assigne of T[homas] P[urfoot] for P[hilemon] Stephens and C[hristopher] Meredith, and are to be sold at their shop at the Golden Lion in Pauls-Church-yard, OCLC 165905181.
- 11th printing: A Latin version by Jodocus Hondius and John Isaac Pontanus appeared in London in 1659. Octavo.
- 12th printing: Hues, Robert; John Isaac Pontanus (1659), A Learned Treatise of Globes, both Cœlestiall and Terrestriall with their Several Uses .., London: Printed by J.S. for Andrew Kemb, and are to be sold at his shop ..., OCLC 11947725, octavo. Collection of Yale University Library.
- 13th printing: Hues, Robert (1663), Tractatus de globis coelesti et terrestri eorumque usu ac de novo recognitus multisq[ue] observationibus opportunè illustratus ac passim auctus, opera et studio Johannis Isacii Pontani ...; adjicitur Breviarium totius orbis terrarum Petri Bertii ... [Treatise on Globes Celestial and Terrestrial and their Use, Collected Anew and Suitably Illustrated with Many Observations and Enlarged Throughout, by the Effort and Devotion of John Isaac Pontanus ... A Brief Account of the Whole Globe is Added by Peter Bertius ...], Oxford: Excudebat [printed by] W.H., impensis [at the expense of] Ed. Forrest, OCLC 13197923 (in Latin).
- The Hakluyt Society's reprint of the English version was itself published as:
The following works also are, or appear to be, versions of Tractatus de globis et eorum usu, though they are not mentioned by Markham:
- Hues, Robert (1623), Tractaet ofte Handelinge van het gebruyck der Hemelscher ende Aertscher Globe: In't Latyn eerst beschreven door Robertvm Hves, Mathematicum / en nu in Nederduytsch over-geset en met diversche nieuwe Verklaringen en Figuren vermeerdert en verciert / oock vele disputable questien gesolveert, door Iohannem Isacivm Pontanvm, Medicyn, en Professor der Philosophie inde vermaerde Schole te Harderwyck [Treatise or Essays on the Use of the Heavenly and Earthly Globe: First Described in Latin by Robert Hues, Mathematician / and now Translated into Dutch, and Expanded and Decorated with New Clarifications and Figures / also many Disputable Questions Solved, by John Isaac Pontanus, Physician and Professor of Philosophy of the renowned School in Harderwijk], Amsterdam: Iudocus Hondius, woonende op den Dam [living on the Dam], OCLC 51084257.
- Hues, Robert (1624), Tractatvs de globis, coelesti et terrestri eorvmqve vsv [Treatise on Globes, Celestial and Terrestrial, and their Use], Amsterdam: Excudebat [Printed by] H[enricus] Hondius, OCLC 8909075 (in Latin).
- Hues, Robert (1627), Tractatus duo mathematici: Quorum primus de globis coelesti et terrestri, eorum usu [Two Mathematical Treatises: Of which the First One is about the Celestial and Terrestial Globes, and their Use], Frankfurt: Bryana, OCLC 179907636.
- Hues, Robert; Nottnagel, Christoph (1627), Tractatus duo quorum primus de globis coelesti et terrestri, eorum usu, à Roberto Hues, Anglo, conscriptus. Alter breviarium totius orbis Terrarum, Petri Bertii. Nunc primum luci commißi [Two Treatises of which the First One is about the Celestial and Terrestial Globes, and their Use, signed by Robert Hues, Englishman. The Other One is an Anthology of Countries of the Whole World, by Peter Bertius. Now for the first time here gathered.] (3rd ed.), Wittenberg: [s.n.], OCLC 257661113.
- Hues, Robert (1634), Tractatvs de Globis Coelesti et Terrestri eorvmqve vsv: Primum conscriptus & editus à Roberto Hues Anglo semelque atque iteram à Iudoco Hondio excusus, & nunc elegantibus iconibus & figuris locupletatus: ac de novo recognitus multisque observationibus oportunè illustratus ac passim auctus opera ac studio. Iohannis Isacii Pontani Medici & Philosophiæ Professoris in Gymnasio Gelrico Hardervici [Treatise on Globes, Celestial and Terrestrial, and their Use. First Written and Published by Robert Hues, Englishman, and in the First and Second Editions Drawn by Jodocus Hondius, and now Enlarged by Elegant Pictures and Drawings, and again Revised and Fittingly Illustrated by Many Observations, and throughout Enlarged by the Work and Effort of John Isaac Pontanus, Physician and Professor of Philosophy of the School in Harderwijk], Amsterdam: Excudebat Henricus Hondius, sub signo Canis Vigilantis in Platea Vitulina prope Senatorium [Printed by Henricus Hondius, under the sign of the Watchful Dog in Calf Street [Kalverstraat] near the council hall]. Collection of the Biblioteca Nacional de Portugal.
- Hues, Robert (1651), Tractatus duo mathematici. Quorum primus de globis coelesti et terrestri, eorum usu, a Roberto Hues ... conscriptus. Alter breviarium totius orbis terrarum, Petri Bertii ... Editio prioribus auctior & emendatior [Two Mathematical Treatises. Of which the First One is about the Celestial and Terrestial Globes, and their Use, signed ... Robert Hues. The Other One an Anthology of Countries of the Whole World, of Peter Bertius ... First enlarged & improved edition], Oxford: Excudebat [Printed by] L. Lichfield, impensis [at the expense of] Ed. Forrest, OCLC 14913709, two pts. Collection of the Bodleian Library.
- Susan M. Maxwell; Harrison, B. (January 2008), "Hues, Robert (1553–1632)", Oxford Dictionary of National Biography (Online ed.), Oxford: Oxford University Press, doi:10.1093/ref:odnb/14045.
- Charles Buller Heberden, ed. (1909), Brasenose College Register, 1509–1909 [Oxford Historical Series; no. 55], Oxford: Blackwell for the Oxford Historical Society, OCLC 222963720.
- Anthony à Wood; Philip Bliss (1967), Athenae Oxonienses, an Exact History of All the Writers and Bishops who have had their Education in the University of Oxford; to which are Added the Fasti; or, Annals of the said University [vol. 2] (New ed.), New York, N.Y.: Johnson Reprint Corp., p. 534, OCLC 430234. At Oxford, a servitor was an undergraduate student who worked as a servant for fellows of the University in exchange for free accommodation and some meals, and exemption from paying fees for lectures.
- University of Oxford (1968) , Joseph Foster, ed., Alumni Oxonienses: The Members of the University of Oxford, 1500–1714 ... Being the Matriculation Register of the University, Alphabetically Arranged, Revised and Annotated, Nendeln, Liechtenstein: Kraus Reprint, OCLC 5574505, vols. 1–2. Hues is listed under the name "Hughes".
- Homer; George Chapman (c. 1616), The Whole Works of Homer; Prince of Poetts, in his Iliads, and Odysses. Translated according to the Greeke, by Geo. Chapman, London: [By Richard Field and William Jaggard] for Nathaniel Butter, OCLC 216610936.
- Thomas Warton (1871), The History of English Poetry, from the Close of the Eleventh to the Commencement of the Eighteenth Century [vol. 3], London: Reeves and Turner, p. 442, OCLC 8048047: see Markham, "Introduction", Tratatus de globis, p. xxxv. According to another source, Chapman called Hues "another right learned, honest, and entirely loved friend of mine": see Henry Stevens (1900), Thomas Hariot, the Mathematician, the Philosopher and the Scholar, London: [Privately printed at the Chiswick Press] (reproduced on Freeonlinebooks.org), OCLC 82784574, retrieved 19 April 2012. See also Jessica Wolfe (2004), "Homer in a nutshell: George Chapman and the mechanics of perspicuity [ch. 5]", Humanism, Machinery, and Renaissance Literature, Cambridge: Cambridge University Press, pp. 161–202, ISBN 978-0-521-83187-1.
- Markham, "Introduction", Tractatus de globis, p. xxxv.
- According to Kargon, "[i]t was probably through Percy (although the reverse is possible)" that Harriot came to know Hues: Robert Hugh Kargon (1966), "Thomas Hariot and the Atomic View of Nature", Atomism in England from Hariot to Newton, Oxford: Clarendon Press, pp. 18–30 at 19, OCLC 531838.
- David Singmaster (28 February 2003), BSHM Gazetteer: Petworth, West Sussex, British Society for the History of Mathematics, archived from the original on 25 May 2009, retrieved 7 February 2008. See also David Singmaster (28 February 2003), BSHM Gazetteer: Thomas Harriot, British Society for the History of Mathematics, archived from the original on 25 May 2009, retrieved 7 February 2008
- Henry Holland (1620), Herōologia Anglica, hoc est clarissimorvm et doctissimorvm aliqovt [sic: aliqvot] Anglorvm qvi florvervnt ab anno Cristi M.D. vsq' ad presentem annvm M.D.C.XX viuae effigies vitae et elogia [List of English Heroes, that is, Lifelike Images of the Lives and Epitaphs of the most Famous and Educated of the English who Flourished from the Year of Christ 1500 until the Present Year 1620], [Arnhem]: Impensis C. Passaei calcographus [sic] et Iansonij bibliopolae Arnhemiensis [Printed by Jan Jansson at the expense of Crispijn van de Passe and Jan Jansson], OCLC 6672789.
- MS Rawl. B 158, Bodleian Library, Oxford.
- Richard Hakluyt (1589), The Principall Navigations, Voiages, and Discoveries of the English Nation: Made by Sea or Over Land to the Most Remote and Farthest Distant Quarters of the Earth at Any Time within the Compasse of These 1500 Years: Divided into Three Several Parts According to the Positions of the Regions Whereunto They Were Directed; the First Containing the Personall Travels of the English unto Indæa, Syria, Arabia ... the Second, Comprehending the Worthy Discoveries of the English Towards the North and Northeast by Sea, as of Lapland ... the Third and Last, Including the English Valiant Attempts in Searching Almost all the Corners of the Vaste and New World of America ... Whereunto is Added the Last Most Renowned English Navigation Round About the Whole Globe of the Earth, London: Imprinted by George Bishop and Ralph Newberie, deputies to Christopher Barker, printer to the Queen's Most Excellent Majestie, OCLC 77435498.
- Margaret Montgomery Larnder (2000), "Davis (Davys), John", Dictionary of Canadian Biography Online, archived from the original on 8 June 2009, retrieved 9 June 2009.
- David Judkins (2003), "Cavendish, Thomas (1560–1592)", in Jennifer Speake, ed., Literature of Travel and Exploration: An Encyclopedia [vol. 1], New York, N.Y.: Fitzroy Dearborn, pp. 202–204 at 203, ISBN 978-1-57958-425-2.
- Markham, "Introduction", Tractatus de globis, p. xxxvi.
- Robert Hues (1594), Tractatus de globis et eorum usu: accommodatus iis qui Londini editi sunt anno 1593, sumptibus Gulielmi Sandersoni civis Londinensis, conscriptus à Roberto Hues [Treatise on Globes and their Use: Adapted to those which have been Published in London in the Year 1593, at the Expense of William Sanderson, a London Resident, Written by Robert Hues], London: In ædibus Thomæ Dawson [in the house of Thomas Dawson], OCLC 55576175 (in Latin).
- Helen M. Wallis (1951), "The first English globe: A recent discovery", The Geographical Journal 117: 280, doi:10.2307/1791852.
- Lesley B. Cormack (March 2006), "The Commerce of Utility: Teaching Mathematical Geography in Early Modern England", Science & Education 15 (2–4): 305–322 at 311, Bibcode:2006Sc&Ed..15..305C, doi:10.1007/s11191-004-7690-2.
- R. A. Skelton; John Summerson (1971), A Description of Maps and Architectural Drawings in the Collection made by William Cecil, First Baron Burghley, Now at Hatfield House, Oxford: Printed for presentation to the members of the Roxburghe Club, OCLC 181678336; Susan M. Maxwell; Harrison, B. (September 2004), "Molyneux, Emery (d. 1598)", Oxford Dictionary of National Biography (Online ed.), Oxford: Oxford University Press, doi:10.1093/ref:odnb/50911.
- Markham, "Introduction", Tractatus de globis, pp. xxxviii–xl.
- John Smith (1626), An Accidence or The Path-way to Experience. Necessary for all Young Sea-men, or those that are Desirous to Goe to Sea, briefly shewing the Phrases, Offices, and Words of Command, belonging to the Building, Ridging, and Sayling, a Man of Warre; and how to Manage a Fight at Sea. Together with the Charge and Duty of every Officer, and their Shares: Also the Names, VVeight, Charge, Shot, and Powder, of all Sorts of Great Ordnance. With the Vse of the Petty Tally. Written by Captaine Iohn Smith sometimes Governour of Virginia, and Admirall of New England, London: Printed [by Nicholas Okes] for Ionas Man, and Benjamin Fisher, and are to be sold at the signe of the Talbot, in Aldersgate streete, OCLC 55198107. Original in the Henry E. Huntington Library and Art Gallery (now The Huntington Library) in San Marino, California. Accidence is the branch of grammar that deals with the accidents or inflections of words. The term came to mean a book about the rudiments of grammar, and was extended to the rudiments or first principles of any subject: see "accidence2", OED Online (2nd ed.), Oxford: Oxford University Press, 1989, retrieved 24 May 2009.
- Susan Rose (2004), "Mathematics and the Art of Navigation: The Advance of Scientific Seamanship in Elizabethan England", Transactions of the Royal Historical Society 14 (14): 175–184 at 177, doi:10.1017/S0080440104000192.
- Markham, "Introduction", Tractatus de globis, p. xli.
- Markham, "Introduction", Tractatus de globis, pp. xli–xlii.
- Markham, "Introduction", Tractatus de globis, pp. xlii–xliii.
- Markham, "Introduction", Tractatus de globis, p. xlii.
- Markham, "Introduction", Tractatus de globis, pp. xlii and xlvi.
- D[avid] B. Quinn; J[ohn] W[illiam] Shirley (1969), "A Contemporary List of Hariot References", Renaissance Quarterly 22 (1): 9–26 at 13–14, doi:10.2307/2858975.
- Derek Howse (2003), "Astronomical Navigation [pt. 8.18]", in I[vor] Grattan-Guinness, Companion Encyclopedia of the History and Philosophy of the Mathematical Sciences, Baltimore, Md.: Johns Hopkins University Press, pp. 1128, 1129, 1132, ISBN 978-0-8018-7397-3.
- John W[illiam] Shirley (1983), Thomas Harriot: A Biography, Oxford: Clarendon Press, p. 577, ISBN 978-0-19-822901-8.
- Anthony à Wood (1691–1692), Athenae Oxoniensis. An Exact History of All the Writers and Bishops who have had their Education in the Most Ancient and Famous University of Oxford, from the Fifteenth Year of King Henry the Seventh, Dom. 1500, to the End of the Year 1690. Representing the Birth, Fortune, Preferment, and Death of all those Authors and Prelates, the Great Accidents of their Lives, and the Fate and Character of their Writings. To which are Added, the Fasti or Annals, of the said University, for the Same Time [vol. 1], London: Printed for Tho. Bennett, p. 485, OCLC 70434257: see Arthur Collins (1709), The Peerage of England, or, An Historical and Genealogical Account of the Present Nobility: Containing, the Descent, Original Creations, and most Remarkable Actions, of their Respective Ancestors: Also, the Chief Titles of Honour and Preferment they now Enjoy, with their Marriages and Issue, Continu'd Down to this Present Year, 1709, and the Paternal Coats of Arms of each Family, in Blazon. Collected as well from our best Historians, Publick Records, and other Sufficient Authorities, as from the Personal Informations of most of the Nobility. To which is Prefix'd, an Introduction of the Present Royal Family of Great-Britain, Trac'd thro' its Several Branches down to this Time, and Terminating with the Protestant Succession, as Settled by Act of Parliament, London: Printed by G.J. for Abel Roper and Arthur Collins, ISBN 978-1-4021-7423-0, OCLC 224499127. See also Charles Hutton (1795–1796), "Harriot (Thomas)", A Mathematical and Philosophical Dictionary: Containing an Explanation of the Terms, and an Account of the Several Subjects, Comprized under the Heads of Mathematics, Astronomy, and Philosophy both Natural and Experimental: With an Historical Account of the Rise, Progress, and Present State of these Sciences: Also Memoirs of the Lives and Writings of the Most Eminent Authors, both Ancient and Modern, who by their Discoveries or Improvements have Contributed to the Advancement of them. In Two Volumes, with Many Cuts and Copper-plates, London: Printed by J. Davis, for J. Johnson, in St. Paul's Church-yard; and G.G. and J. Robinson, in Paternoster-Row (reproduced on the website of the Archimedes Project, Max Planck Institute for the History of Science), p. 584, OCLC 8166998, retrieved 10 November 2008.
- Kargon, "The Wizard Earl and the New Science" in Atomism in England, pp. 5–17 at 16.
- John Chamberlain; Norman Egbert McClure, ed. (1939), The Letters [Memoirs of the American Philosophical Society, vol. 12, pts. 1–2] 1, Philadelphia, Penn.: American Philosophical Society, p. 566, OCLC 221477966: see Kargon, "The Wizard Earl and the New Science" in Atomism in England, pp. 5–17 at 16.
- John Aubrey; Oliver Lawson Dick, ed. (1975), Aubrey's Brief Lives, London: Secker and Warburg, p. 123, OCLC 1981442, critiqued by Shirley, Thomas Harriot, pp. 364–365. See Allan Chapman (1995), "The Astronomical Work of Thomas Harriot (1560–1621)", Quarterly Journal of the Royal Astronomical Society 36: 97–107 at 99, Bibcode:1995QJRAS..36...97C.
- Feingold says that Hues became "a type of private tutor to Oxford men": Mordechai Feingold (1984), The Mathematicians' Apprenticeship: Science, Universities and Society in England, 1560–1640, Cambridge: Cambridge University Press, p. 84, ISBN 978-0-521-25133-4.
- In Historia et antiquitates universitatis Oxoniensis (History and Antiquities of the University of Oxford, 1674), vol. 2, p. 361, notice of Hues' death was given under St. Mary Hall as follows: "Oxonii in parochiâ Sancti Aldati, inque Domicilio speciatim lapides [sic: lapideo?], e regione insignis Afri [sic: Apri?] cærulei, fatis concessit, et in ecclesiâ Ædis Christi Cathedrali humatus fuit an: dom: CIƆDXXXII [sic: CIƆDCXXXII]" (He yielded to the Fates at Oxford, in the parish of St. Aldate, specifically in the Stone House, in the neighbourhood of the Blue Boar sign, and was buried in the church of Christ Church Cathedral in the year of our Lord 1532 [sic: 1632]). Historia et antiquitates universitatis Oxoniensis duobus voluminibus comprehensæ [History and Antiquities of the University of Oxford Taken together in Two Volumes], Oxford: E Theatro Sheldoniano [Sheldonian Theatre, University of Oxford], 1674, OCLC 13439733, was a Latin translation by Richard Peers and Richard Reeve under the direction of Dr. John Fell of an English manuscript by Anthony à Wood which the University purchased in 1670. The manuscript itself was later published as Anthony à Wood; John Gutch (1786–1790), The History & Antiquities of the Colleges and Halls in the University of Oxford ... Now First Published in English, from the Original Manuscript in the Bodleian Library ... with a Continuation to the Present Time, by the Editor, John Gutch. (Appendix to the History and Antiquities of the Colleges and Halls in the University of Oxford ... containing Fasti Oxonienses, or a Commentary on the Supreme Magistrates of the University: by Anthony à Wood, M.A. Now First Published in English ... with a Continuation to the Present Time, also Additions and Corrections ... and Indexes to the Whole, by the Editor, John Gutch.), Oxford: Clarendon Press, OCLC 84810015. See Markham, "Introduction", Tractatus de globis, p. xxxvii, n. 1.
- Historia et antiquitates universitatis Oxoniensis, vol. 2, p. 534. The brass is also referred to at p. 288: "In laminâ œneâ, eidem pariati [sic: parieti?] impactâ talem cernis inscriptionem" (On the copper plate, driven to the same wall, one sees such an inscription). See Markham, "Introduction", Tractatus de globis, p. xxxvii, n. 1.
- The title is from Helen M. Wallis (1955), "Further light on the Molyneux globes", The Geographical Journal (Blackwell Publishing) 121 (3): 304, doi:10.2307/1790894, JSTOR 1790894, and the imprint information from WorldCat (OCLC 42811612). According to Markham, "Introduction", Tractatus de globis, pp. xxxvii–xxxviii, the title of this version is Tractaut of te handebingen van het gebruych der hemel siker ende aertscher globe, and it was printed in Antwerp.
- J.J. O'Connor; E.F. Robertson (August 2006), Pierre Hérigone, The MacTutor History of Mathematics archive, School of Mathematics and Statistics, University of St Andrews, archived from the original on 25 May 2009, retrieved 7 November 2008.
- According to Markham, "Introduction", Tractatus de globis, at p. xxxviii, this version was published by Jodocus Hondius in 1624. However, WorldCat (OCLC 8909075) suggests that the 1624 version was in Latin, not Dutch.
- WorldCat (OCLC 61335670) suggests that printings of this work were also made in 1639; see also A learned treatise of globes both coelestiall and terrestriall, with their severall uses, by Robert Hues, Open Library, Internet Archive, retrieved 10 November 2008. According to Markham, "Introduction", Tractatus de globis, p. xxxix, although the title page of the work states that the translator was "John Chilmead", this is generally believed to be an error as no such person was known to have lived at the time. Instead, the translator is believed to be Edmund Chilmead (1610–1653), a translator, man of letters and music teacher who graduated in 1628 and was a chaplain of Christ Church, Oxford.
- Markham, "Introduction", Tractatus de globis, pp. xxxix–xl.
- See Figure 22: Title-page of the Dutch edition of Hues's account of the globes, illustrating a celestial globe by Hondius, The Measurers: A Flemish Image of Mathematics in the Sixteenth Century, Museum of the History of Science, Oxford, 7 August 1995, archived from the original on 25 May 2009, retrieved 11 November 2008.
- HUES, Robert, 1553–1632. Tractatvs de globis coelesti et terrestri eorvmqve vsv, Biblioteca Nacional de Portugal, 2002, archived from the original on 13 April 2009, retrieved 11 November 2008.
- Kargon, Robert Hugh (1966), Atomism in England from Hariot to Newton, Oxford: Clarendon Press, OCLC 531838, chs. 2–4.
- Markham, Clements R., "Introduction", in Hues, Robert; Markham, Clements R., ed. (1889), Tractatus de globis et eorum usu: A Treatise Descriptive of the Globes Constructed by Emery Molyneux and Published in 1592 [Hakluyt Society, 1st ser., pt. II, no. 79a], London: Hakluyt Society, ISBN 978-0-8337-1759-7.
- Maxwell, Susan M.; Harrison, B. (January 2008), "Hues, Robert (1553–1632)", Oxford Dictionary of National Biography (Online ed.), Oxford: Oxford University Press, doi:10.1093/ref:odnb/14045.
- Shirley, John W[illiam] (1983), Thomas Harriot: A Biography, Oxford: Clarendon Press, ISBN 978-0-19-822901-8.
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- Hutchinson, John (1890), Herefordshire Biographies, being a Record of such of Natives of the County as have Attained to more than Local Celebrity, with Notices of their Lives and Bibliographical References, together with an Appendix containing Notices of some other Celebrities, Intimately Connected with the County but not Natives of it, Hereford: Jakeman & Carver, OCLC 62357054.