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230/240-volt incandescent light bulb with E27 screw baseEdison screw (ES) is a standard lightbulb socket for electric light bulbs. It was developed by Thomas Edison (1847–1931), patented in 1881, [1] and was licensed in 1909 under General Electric's Mazda trademark.
The heat can be transferred to the surrounding air using radiators, hot water coils (hydro-air), or other heat exchangers. The radiators may be mounted on walls or installed within the floor to produce floor heat. The use of water as the heat transfer medium is known as hydronics. The heated water can also supply an auxiliary heat exchanger to ...
The latter use a standard light switch, and the on-board electronics chooses the light output level based on the number of times the switch is turned on and off quickly. Dimmable CFLs are not a 100% replacement for incandescent fixtures that are dimmed for "mood scenes" such as wall sconces in a dining area.
The Advanced Target Pointer Illuminator Aiming Laser, ATPIAL AN/PEQ-15 known colloquially as the "PEQ-15" [/ p ɛ k / / f ɪ f t iː n /] produced by L3Harris (originally designed and manufactured by Insight Technology, until their acquisition by L3Harris in 2010); is a multifunction IR Target Pointer & Illuminator, a.k.a. a Laser Aiming Module (LAM) for use as a rifle attachment, using a ...
The word (then spelled mappe) is attested in English in 1496, but new refinements and variations of mop designs have been introduced, from time to time.For example, American inventor Jacob Howe received US patent #241 for a mop holder in 1837 [2] and Thomas W. Stewart (US patent #499,402) in 1893.
[1]: 3 It can also be alloyed with other elements such as molybdenum, carbon, nickel and nitrogen to develop a range of different properties depending on its specific use. The alloy's properties, such as luster and resistance to corrosion, are useful in many applications. Stainless steel can be rolled into sheets, plates, bars, wire, and tubing.
A surprised Nabors quickly jotted the lyrics down on a sheet of paper, climbed up on a ladder, and performed the song unrehearsed. Although some contemporary accounts vary, [ 17 ] [ 18 ] it was nevertheless the beginning of a 36-year tradition that would see Nabors perform the song at Indianapolis nearly every year through 2014 .
Phosgene reacts with water to form carbon dioxide and HCl, [77] and the carbonate salt neutralizes the resulting acid. [ 78 ] Suspected samples can be tested for phosgene using filter paper which when treated with 5% diphenylamine , 5% dimethylaminobenzaldehyde in ethanol , and then dried, turns yellow in the presence of phosgene vapour. [ 79 ]