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  1. Peter Cooper Hewitt (May 5, 1861 – August 25, 1921) was an American electrical engineer and inventor, who invented the first mercury-vapor lamp in 1901. Hewitt was issued U.S. patent 682,692 on September 17, 1901. In 1903, Hewitt created an improved version that possessed higher color qualities which eventually found widespread ...

  2. Peter Cooper Hewitt (New York, 5 maggio 1861 – Parigi, 25 agosto 1921) è stato un inventore statunitense. Nel 1901 realizzò la prima lampada a vapori di mercurio della storia. Il suo numero di brevetto era #682692.

  3. 1 mag 2024 · Peter Cooper Hewitt (born May 5, 1861, New York, N.Y., U.S.—died Aug. 25, 1921, Paris, France) was an American electrical engineer who invented the mercury-vapour lamp, a great advance in electrical lighting. At an early age, Hewitt began research on electricity and mechanics in a greenhouse converted into a workshop.

    • The Editors of Encyclopaedia Britannica
  4. L'americano Peter Cooper Hewitt (1861-1921) brevettò (brevetto USA 889.692) la prima lampada a vapori di mercurio nel 1901. La lampada ad arco di mercurio a bassa pressione di Peter Cooper Hewitt è il primo prototipo delle moderne luci fluorescenti di oggi.

  5. 2 giorni fa · Learn about the life and work of Peter Cooper Hewitt, who developed mercury-filled tubes to produce light in the late 19th century. Find out how his lamps were used in photo studios and industries, and how they were improved and replaced by later technologies.

  6. Hewitt, Peter Cooper Enciclopedia on line Inventore statunitense (New York 1861 - Parigi 1921); costruì (1903) il primo diodo a vapori di mercurio e ne indicò l'uso come rettificatore di correnti alternate.

  7. Cooper Hewitt is a museum in New York City that showcases design from ancient to contemporary times. It was founded by the granddaughters of Peter Cooper, a prominent industrialist and philanthropist.