Man-engine or movable ladder adopted in Cornish mines. The movable ladder was powered by the steam engine at the pithead and moved with the regular stroke of the engine. The miners moved alternately from footholds on left and right in the pause at the end

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Size: 1102px × 3543px
Photo credit: © Photo12/Ann Ronan Picture Library / Alamy / Afripics
License: Licensed
Model Released: No

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