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A needle holder, also called needle driver or needle forceps, is a surgical instrument similar to a hemostat, used by doctors and surgeons to hold and...2 KB (242 words) - 11:09, 29 January 2024
The Space Needle is an observation tower in Seattle, Washington, United States. Considered to be an icon of the city, it has been designated a Seattle...43 KB (4,425 words) - 07:21, 5 June 2024- needle, a needle used to administer epidural catheters Gramophone needle, used for playing records Indicator needle, of a measuring instrument Needle...3 KB (344 words) - 22:08, 23 January 2024
serially to a single needle instrument, but he found that the dignitaries he demonstrated the telegraph to could understand the six-needle version more readily...20 KB (2,798 words) - 23:33, 22 May 2024
Selenium meter (section Match-needle meters)one slice of the analog calculator. When the clockhand matches the instrument's needle the EV-value is set right on the calculator. The picture on the right...5 KB (708 words) - 02:54, 28 March 2023- use. Analogue instrument meter with analogue display ("needles"). Until the later decades the most common basic type. Digital instrument meter with analogue...8 KB (302 words) - 00:13, 22 May 2024
Schilling telegraph (section Calling needle)Schilling telegraph is a needle telegraph invented by Pavel Schilling in the nineteenth century. It consists of a bank of needle instruments (six as developed...9 KB (1,115 words) - 23:56, 22 May 2024- Graefe's cataract knife Foreign body spud and needle Cystitome Angular keratotomes Barraquer's needle holder A bone punch Callipers Corneal spring scissors...18 KB (278 words) - 17:16, 9 February 2024
: 7-8 to 7-11 On the instrument, the vertical needle indicates the lateral position of the selected track. A horizontal needle allows the pilot to follow...15 KB (1,696 words) - 16:01, 3 May 2024- Telegraph code (section Comparison of needle codes)Single-needle telegraph instrument with Cooke and Wheatstone code marked on the dial and two-note endstops Cooke and Wheatstone style single-needle instrument...50 KB (5,984 words) - 16:11, 5 December 2023
as well. Needle drivers(needle holders) Tools used to hold suture needle while it is passed through tissue and to grasp suture while instrument knot tying...23 KB (2,533 words) - 11:39, 6 June 2024
Mirror galvanometer (category Optical instruments)1858. Thomson intended the instrument to read weak signal currents on very long submarine telegraph cables. This instrument was far more sensitive than...10 KB (1,318 words) - 05:21, 18 August 2023
clamping of a vessel. Sutures are often used, aided by a needle holder. Cautery and related instruments are used with increasing frequency in high resource...11 KB (549 words) - 18:03, 16 April 2024
display of Foy–Breguet telegraph instruments consists of two needles each pivoted at its centre. One half of each needle is coloured black and the other...15 KB (2,144 words) - 20:51, 9 August 2023- hammer, queen square Sphygmomanometer, electronic Stethoscope Syringe and needle Thermometers, mercury Tongue depressors Tuning fork Ventilator, high-frequency...7 KB (98 words) - 23:45, 23 May 2024
A sewing needle, used for hand-sewing, is a long slender tool with a pointed tip at one end and a hole (or eye) to hold the sewing thread. The earliest...16 KB (1,952 words) - 22:09, 8 June 2024
six (again, for a 40-character alphabet). Schilling took a single-needle instrument with him for demonstration purposes on his journey to the Far East...57 KB (6,827 words) - 20:40, 5 June 2024
although it is generally only capable of relatively low flow rates. An instrument needle valve uses a tapered pin to gradually open a space for fine control...4 KB (544 words) - 18:10, 31 January 2024
'double' needle instruments, in which the signals were made by the successive deflections of the needles. Of these, the single-needle instrument, requiring...46 KB (6,382 words) - 16:23, 24 May 2024
Galvanometer (category Electrical instruments)1820, that a magnetic compass's needle deflects when near a wire having electric current. They were the first instruments used to detect and measure small...29 KB (3,694 words) - 21:23, 18 May 2024
- 1911 Encyclopædia Britannica, Volume 19 Needle 37388781911 Encyclopædia Britannica, Volume 19 — Needle NEEDLE (O. Eng. nædl; the word appears in various
- determine the dip or inclination of the magnetic needle, Gilbert boasted that, by means of this instrument, he could ascertain a ship's place in dark starless
- study of instruments' history, instruments used in different cultures, technical aspects of how instruments produce sound, and musical instrument classification