From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Blueprint detailing an overhead crane or hoist system with various components.
| Identifier | Morton\M7\ img054 | |
| Date | 21th December 1923 guessed | |
| Platform, Long Drive Motor, C.T. Motor, Hoisting Motor, Electric Brake, CAGE, Opening to face down shop, 5'-0", Highest Position of Hook, Hand..., for, Con..., Lor..., Foo..., 30'-9" centres of Rails | ||