electric light bulb
101Gas lighting — For other uses, see Gaslight (disambiguation). Gas lighting is production of artificial light from combustion of a gaseous fuel, including hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, or natural gas. Before… …
102Lampshade — A lampshade is a fixture that covers the lightbulb on a lamp to diffuse the light it emits. Conical, cylindrical and other forms on floor , desk or table top mounted as well as suspended lamp models are the most common and are made in a wide… …
103Sprengel pump — The supply of mercury is contained in the reservoir on the left. It flows over into the bulb B, where it falls in drops into the long tube on the right. These drops entrap between them the air in B. The mercury which runs out is collected and… …
10419th century — For other uses, see 19th century (disambiguation). Millennium: 2nd millennium Centuries: 18th century · 19th century · 20th century Decades: 1800s 1810s 18 …
105Gateshead — This article is about Gateshead, England. For the suburb of Newcastle in Australia, see Gateshead, New South Wales. For the larger local government district, see Metropolitan Borough of Gateshead. Coordinates: 54°57′N 1°36′W / …
106Overvoltage — This article is about a concept in electrical engineering. For use in electrochemistry, see overpotential. Voltage spike. When the voltage in a circuit or part of it is raised above its upper design limit, this is known as overvoltage. The… …
107Spencer Trask — Infobox Celebrity name = Spencer Trask caption = The Man Who Backed Thomas Edison birth date =birth date|1844|09|18 birth place =Brooklyn, New York death date =death date and age|1909|12|31|1844|09|18 death place =Croton, New York occupation =… …
108fire — Synonyms and related words: abandon, afflatus, afire, aflame, aggressiveness, agitate, aim at, air, air dry, alight, anhydrate, animate, animating spirit, animation, animus, annoy, antiaircraft fire, ardency, ardent, ardor, arouse, aroused, atom …
109List of Canadians — This is a list of Canadians, people born in Canada, or who became citizens of Canada, grouped by their area of notability. This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by… …
110History of Newcastle upon Tyne — The history of Newcastle upon Tyne dates back almost 2,000 years, during which it has been controlled by the Romans, the Saxons and the Danes amongst others. Originally known by its Roman name Pons Aelius , the name Newcastle has been used since… …
