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 the arrangement of a gear and bearing assembly.
| Identifier | ExFiles\Box 173\1\ img193 | |
| Date | 3rd February 1934 guessed | |
| ARRANGEMENT OF GEAR AND LEAD BRONZE (LINED) BEARING RINGS TO SUPPORT GEAR RING INTERNAL GEAR SUPPORTED BY OUTER BEARING. COARSE PITCH STUBBED TEETH | ||