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A man engine is a mechanism of reciprocating ladders and stationary platforms installed in mines to assist the miners' journeys to and from the working levels. It was invented in Germany in the 19th century and was a prominent feature of tin and copper mines in Cornwall until the beginning of the twentieth century.
Detroit, Michigan, has used Sutphen tower ladders from 1970 to recent times. [14] Camden, New Jersey, has a Sutphen tower ladder assigned to Ladder 1. [citation needed] Liverpool, New York, has recently taken delivery of twin SL 75 aerial ladders (Engines 2 and 3) as well as an SPH 100 aerial platform which serves as Truck 2. These apparatus ...
A pilot ladder is a highly specialized form of rope ladder, typically used on board cargo vessels [1] for the purposes of embarking and disembarking pilots. The design and construction of the ladders is tightly specified [2] by international regulation under the SOLAS regime. Pilot ladders and other boarding arrangements must be carefully ...
Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
Drum hoists are used for motor-assist, engaging an operating line, and dead-haul, engaging the lift lines, applications. A dead-haul drum hoist uses the single drum to support all the lift lines running from the head block of a line set. The lift lines neatly wrap and unwrap in a side-by-side arrangement on the drum as it is spun by the motor.
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