The Stewarts Lane turntable.
Details of the vacuum operating system. The clutch lever can be seen in the foreground.
The works plate informs us that the turntable was manufactured by "Cowans Sheldon & Co. Ltd. of Carlisle. (Cowans Sheldon invented the loco brake system vacuum operating mechanism),
In 1989 the company was acquired by Rolls Royce as its Materials Handling group. During this management the Carlisle Works were finally closed. In 2001 present owners Langley Holdings acquired the Clarke Chapman Group, and Cowans Sheldon continues to operate with a focus on rail cranes, alongside the other companies in the Group - RB (Ruston Bucyrus), Stothert & Pitt, and Wellman Booth - all famous crane making names.
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