Roller Bridge or inclined plane for transferring vessels from one level of waterway to another. 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).

SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of Roller Bridge or inclined plane for transferring vessels from one level of waterway to another. 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). by World History Archive/Image Asset Management is available for licensing today.