Ads
related to: cooper hewitt lights companybuild.com has been visited by 100K+ users in the past month
Search results
Results from the WOW.Com Content Network
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. [1] Hewitt was issued U.S. patent 682,692 on September 17, 1901. [2] In 1903, Hewitt created an improved version that possessed higher color qualities which eventually found widespread ...
The Cooper-Hewitt Museum Library includes an E. F. Caldwell & Co. Collection with more than 50,000 images, of which roughly 37,000 are black-and-white photographs and approximately 13,000 are original design drawings of lighting fixtures and other metal objects produced by the company from the late 19th to the mid-20th century. [7]
Cooper Hewitt lamp, 1903 Production of high-pressure mercury-vapor lamps, 1965. Charles Wheatstone observed the spectrum of an electric discharge in mercury vapor in 1835, and noted the ultraviolet lines in that spectrum. In 1860, John Thomas Way used arc lamps operated in a mixture of air and mercury vapor at atmospheric pressure for lighting. [4]
A new exhibition at the Cooper Hewitt Smithsonian Design Museum asks what a home can really mean and do.
1901 Peter Cooper Hewitt creates the first commercial mercury-vapor lamp. 1904 Alexander Just and Franjo Hanaman invent the tungsten filament for incandescent lightbulbs. 1910 Georges Claude demonstrates neon lighting at the Paris Motor Show .
At about the same time that Moore was developing his lighting system, Peter Cooper Hewitt invented the mercury-vapor lamp, patented in 1901 (US 682692 ). Hewitt's lamp glowed when an electric current was passed through mercury vapor at a low pressure. Unlike Moore's lamps, Hewitt's were manufactured in standardized sizes and operated at low ...
Ads
related to: cooper hewitt lights companybuild.com has been visited by 100K+ users in the past month