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A Carbide lamp or acetylene gas lamp is a simple lamp that produces and burns acetylene (C 2 H 2), which is created by the reaction of calcium carbide (CaC 2) with water (H 2 O). [1] Acetylene gas lamps were used to illuminate buildings, as lighthouse beacons, and as headlights on motor-cars and bicycles. Portable acetylene gas lamps, worn on ...
Lightbulb socket. A lightbulb socket, lightbulb holder, light socket, lamp socket or lamp holder is a device which mechanically supports and provides electrical connections for a compatible electric lamp base. [1] Sockets allow lamps to be safely and conveniently replaced (re-lamping). There are many different standards for lampholders ...
A rushlight is a type of candle or miniature torch formed by soaking the dried pith of the rush plant in fat or grease. For several centuries, rushlights were a common source of artificial light for poor people throughout the British Isles. [1] They were extremely inexpensive to make. English essayist William Cobbett wrote, "This rushlight cost ...
The Crusie lamp consists of two lamp pans, one above the other. Fuel drip from the upper lamp pan fell into the lower pan minimizing oil/grease mess below the lamp. In the evolution to the Betty lamp, replacing the upper lamp pan with a metal wick holder inside the lower pan reduces the amount of metal needed for the lamp. Adding a top cover ...
The 1227 Anglepoise was released in 1935. It was primarily manufactured for the home and proved to be extremely popular. [citation needed] The 1227 was hugely promoted by the Terry Spring Company and when England declared war on Germany on September 3 1939 the company ran an advert on the same day describing it as the "ideal blackout lamp". [5]
The Lycurgus Cup is a Roman glass 4th-century cage cup made of a dichroic glass, which shows a different colour depending on whether or not light is passing through it: red when lit from behind and green when lit from in front. [ 1 ] It is the only complete Roman glass object made from this type of glass, [ 2 ] and the one exhibiting the most ...
After a “lack of investment over decades,” Centrus is aiming to “restore a domestic enrichment capability with US technology” to meet the demand for the country’s electricity and for its ...
Recessed light. The interior of a Target store. A recessed light or downlight (also pot light in Canadian English, sometimes can light (for canister light) in American English) is a light fixture that is installed into a hollow opening in a ceiling. When installed it appears to have light shining from a hole in the ceiling, concentrating the ...