Sheet containing six numbered diagrams, likely indicator diagrams, from 371 to 376.
| Identifier | ExFiles\Box 152\1\ scan0081 | |
| Date | 4th January 1933 guessed | |
| 371 372 373 374 375 376 | ||
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).