tower slewing crane

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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
Fairbairn steam crane — The Fairburn steam crane is a type of harbourside crane of an improved design , patented in 1850 by Sir William Fairbairn.The crane s innovation was in the use of a curved jib, made of riveted wrought iron platework to form a square section box… … Wikipedia
Manitowoc Cranes — Type Public (NYSE: MTW Industry … Wikipedia
Saipem 7000 — is the world s second largest Crane vessel (2 x 7,000t), after the Thialf (2 x 7,100t). The crane radius of the Saipem 7000 grants a lifting capability of 14000t at 42 meters while Thialf can lift 14200 at 31.2 meters. It is owned by the oil and… … Wikipedia
Medieval technology — Pumhart von Steyr, a 15th century supergun … Wikipedia
Derrick — For other uses, see Derrick (disambiguation). Derrick of Ocean Star Offshore Oil Rig Museum, Galveston, Texas A derrick is a lifting device composed of one tower, or guyed mast such as a pole which is hinged freely at the bottom. It is controlled … Wikipedia
Mechanical Engineering Heritage (Japan) — Myriad year Japanese clock, Heritage No. 22 The Mechanical Engineering Heritage (Japan) (機械遺産, kikaiisan … Wikipedia

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