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).
Drawing of a C. Roller Centre Main Bearing.
| Identifier | ExFiles\Box 173\1\ img201 | |
| Date | 3rd February 1934 guessed | |
| C. ROLLER CENTRE MAIN BEARINGS LEFT SOLID HERE FOR LOCATION DOWEL | ||