Tower testing station — A tower testing station is a special plant for testing various design for towers for transmission lines and similar uses. A tower testing station consists of two steel stands and one or more foundations, on which a sample of the tower can be… … Wikipedia
John Hancock Tower — Infobox Skyscraper building name= Hancock Place location= 200 Clarendon Street, Boston, Massachusetts, United States roof= 790 ft (240.7 m) height stories= 60 construction period= 1968 1976 use= Office architect= I.M. Pei Partners developer=… … Wikipedia
Transmission tower — A delta pylon carrying a 400kV power line towards Madrid. A transmission tower (colloquially termed an electricity pylon in the United Kingdom and parts of Europe, an ironman in Australia, and a hydro tower in parts of Canada) is a tall structure … Wikipedia
Conning tower — A conning tower is a raised platform on a ship or submarine, often armored, from which an officer can con the vessel; i.e., give directions to the helmsman. It is usually located as high on the ship as practical, to give the conning team good… … Wikipedia
Stephen's Tower (Baia Mare) — Stephen s Tower ( ro. Turnul Ştefan; hu. Szent István torony) is a tower located on Citadel Square in Baia Mare, Romania. Over convert|40|m|ft high [ Arhitectura municipiului... ] and built in a neo Gothic style, it is a symbol of the… … Wikipedia
troy weights — a traditional English weight system of great antiquity, apparently in use since long before the Norman conquest of 1066. The system is believed to be named for the French market town of Troyes, where English merchants traded at least as early… … Dictionary of units of measurement
Units of measurement — Weights and measures redirects here. For other uses, see Weights and measures (disambiguation). The former Weights and Measures office in Seven Sisters, London A unit of measurement is a definite magnitude of a physical quantity, defined and… … Wikipedia
Pound (mass) — Lb. redirects here. For other uses, see LB. Lbs. redirects here. For other uses, see LBS. For the unit of force, see Pound force. The pound or pound mass (abbreviations: lb, lbm, lbm, ℔[1] ) is a unit of mass used in the imperial, United States… … Wikipedia
Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… … Wikipedia
Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material … Wikipedia
