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1893 GE introduces first commercial fully enclosed carbon arc lamp. Sealed in glass globes, it lasts 100h and therefore 10 times longer than hitherto carbon arc lamps [4] [8] 1893 Nikola Tesla puts forward his ideas on high frequency and wireless electric lighting [9] [10] which included public demonstrations where he lit a Geissler tube ...
In 1980, the annual operating cost for the average incandescent lamp was $280; for mercury vapor lamps, it was $128; and for low-pressure sodium vapor lamps, it was $60 a year. [1] Meanwhile, high-pressure sodium vapor lamps cost only $44 a year to operate, with a standard life expectancy of 15,000 hours, which also helped to lower labor and ...
General Electric Building, New York (1940): 1931 building with Gothic crown creating a night-time effect of lack of solidity, relighted in 1940 to showcase fluorescent lighting, with red lights inside and blue outside the crown and a dimmer on a timer added for the existing white lights to produce color changes; spotlighting of architectural ...
Laurel was known for its original mid-century modern lamp designs and other home furnishings in traditional, contemporary, and post-modern styles. [4] The company’s design work was overseen by co-founder and president Harold Weiss and was supplemented by collaborations with notable designers including Pierre Cardin , Bijan of California and ...
The Bradley & Hubbard Manufacturing Company (1852–1940) was formed in Meriden, Connecticut, and over the years produced Art Brass tables, call bells, candlestick holders, clocks, match safes, lamps, architectural grilles, railings, etc. Overall the company patented 238 designs and mechanical devices. "By the 1890s, the Bradley and Hubbard ...
In design, the Atomic Age is the period roughly corresponding from 1940 to 1963, when concerns about nuclear war dominated Western society during the Cold War. Architecture, industrial design, commercial design (including advertising), interior design, and fine arts were all influenced by the themes of atomic science, as well as the Space Age ...
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