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-sectional drawing illustrating a reduction gear arrangement with annotations.
| Identifier | ExFiles\Box 173\1\ img197 | |
| Date | 3rd February 1934 guessed | |
| ARRANGEMENT RED GEAR LEAD BRONZE LINED BEARING RING TO SUPPORT GEAR RING INTERNAL GEAR SUPPORTED BY OUTER BEARING COARSE PITCH STUBBED TEETH | ||