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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]
The parent to the modern fluorescent lamp was invented in the 1890s by Peter Cooper Hewitt. [6] The Cooper Hewitt lamps were used for photographic studios and industries. [6] Edmund Germer, Friedrich Meyer, and Hans Spanner patented a high-pressure vapor lamp in 1927. [6]
A new exhibition at the Cooper Hewitt Smithsonian Design Museum asks what a home can really mean and do.
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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 ...
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