1622 in science

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The year 1622 in science and technology involved some significant events.

Mathematics

• The slide rule is invented by William Oughtred (1574-1660), an English mathematician, and later becomes the calculating tool of choice until the electronic calculator takes over in the early 1970s.

Physiology and medicine

• Gaspare Aselli discovers the lacteal vessels of the lymphatic system.
• Flemish anatomist Giulio Casserio publishes Nova anatomia in Frankfurt, containing clear copperplate engravings of the human anatomy.

Technology

• February 22 - An English patent is granted for Dud Dudley's process for smelting iron ore with coke.

Births

• January 28 - Adrien Auzout, French astronomer (died 1691)
• April 5 - Vincenzo Viviani, Italian mathematician and scientist (died 1703)
• undated - Jean Pecquet, French anatomist, discoverer of the thoracic duct (died 1674)

Deaths

• January 23 - William Baffin, English explorer and navigator (born 1584)
• February 19 - Sir Henry Savile, English polymath and benefactor (born 1549)
• May 15 - Petrus Plancius, Flemish cartographer and cosmographer (born 1552)