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1994 T5 lamps with cool tip are introduced to become the leading fluorescent lamps with up to 117 lm/W with good color rendering. These and almost all new fluorescent lamps are to be operated on electronic ballasts only. [4] 1994 The first commercial sulfur lamp is sold by Fusion Lighting.
The Champagne Standard Lamps are made of copper alloy. They stand 1.6 metres (5.2 ft) high. They each comprise ten stacked champagne coupes, some of which function as ashtrays, mounted on papier-mâché trays and surmounted by light fittings. [1] The V&A considers them among "the most important examples of Surrealist lighting in Britain". [14]
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 ...
This lamp was the most important article of furniture for the Inuit, Yupik and other Inuit peoples. [9] The lamps were made of stone and their sizes and shapes of lamps could be different, but mostly were elliptical or half-moon shaped. The wicks were mostly made of dried moss or cottongrass and were lit along the edge of the lamp. A slab of ...
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 ...
In 1915, during World War I, the Tilley company moved to Brent Street in Hendon, and began developing a kerosene pressure lamp. [12] In 1919, Tilley High-Pressure Gas Company started using kerosene as a fuel for lamps. [13] In the 1920s, Tilley company got a contract to supply lamps to railways, and made domestic lamps. [12]
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