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).
Cross-section drawing of a gearbox assembly, showing shafts, bearings, and casing.
| Identifier | ExFiles\Box 63\4\ scan0143 | |
| Date | 25th August 1913 | |
| [ "7.900", "120-S.A.", "25 / 8 / 13" ], | ||