Roller Bridge or inclined plane for transferring vessels from one level of waterway to another. 1737. Inclined planes were a cheaper alternative to locks. Water power is being transferred from the waterwheel, R, through gearing to the windlass at H. From 'Architecture Hydraulique' Bernard Forest de Belidor, (Paris, 1737).

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Roller Bridge or inclined plane for transferring vessels from one level of waterway to another. 1737. Inclined planes were a cheaper alternative to locks. Water power is being transferred from the waterwheel, R, through gearing to the windlass at H. From 'Architecture Hydraulique' Bernard Forest de Belidor, (Paris, 1737).

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

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