This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Hydraulic platform at Paddington Station from 'Railway Appliances' book. en Movable platform at Paddington its truck from the recess by means of chain connected to an hydraulic apparatus and the lower sketch shows it raised to the level of the platforms on each side The raising is effected by continuing to haul on the chain after