continuously operating
41Utility frequency — The waveform of 230 volt, 50 Hz compared with 110 V, 60 Hz. The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the frequency at which alternating current (ac, also AC) is transmitted from a… …
42List of active drive-in theaters — This is a list of drive in theaters that are currently in operation.urviving drive ins in CanadaBritish Columbia* The [http://members.shaw.ca/twilightdrivein/index.html Twilight Drive In] in Langley * The [http://www.starlightdrivein.ca/… …
43New Orleans — The Big Easy and NOLA redirect here. For other uses, see The Big Easy (disambiguation) and NOLA (disambiguation). This article is about the city. For other uses, see New Orleans (disambiguation). City of New Orleans Ville de La Nou …
44Metal-halide lamp — A metal halide gas discharge lighting system provides illumination for a college baseball game at Olsen Field in College Station, Texas, United States. Note the various colors of the lights as they warm up. Metal halide lamps, a member of the… …
45List of the oldest buildings in the United States — This article attempts to list the oldest extant freestanding buildings constructed in the United States of America by Europeans (English, Spanish, Dutch, French, Swedish, Germans), Africans, Native Americans and other immigrants and native born… …
46Morocco — For other uses, see Morocco (disambiguation). Kingdom of Morocco المملكة المغربية (Arabic) ⵜⴰⴳⵍⴷⵉⵜ ⵏ ⵍⵎⴰⵖⵔⵉⴱ (Berber) …
47Monterey, California — Monterey redirects here. For other uses, see Monterey (disambiguation). City of Monterey   City   Fisherman s Wharf and downt …
48Scouting in Connecticut — has gone through many organizational changes in its history. While having only eight counties, Connecticut has had 40 Boy Scout Councils since the Scouting movement began in 1910. In 1922, there were 17 separate Boy Scout Councils operating in… …
49Harvard Law School — Established 1636 School type Private Endowment US$1.7 billion Parent endowment $26 billion Dean …
50American Motors — Infobox Defunct Company company name = American Motors Corporation company fate = Acquired by Chrysler (March 2 1987) successor = Jeep Eagle division of Chrysler foundation = January 14 1954 location = Southfield, Michigan, United States industry …
