Blueprint showing the general arrangement and key dimensions of an overhead crane system.
| Identifier | ExFiles\Box 181\M7\ img056 | |
| Date | 21th December 1923 guessed | |
| 2'-6", 5'-6", 5'-9", 3'-9", 10", Gantry Rail Level, Driver, Resistances, Loader, Clearest Hook Approach. | ||
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).