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 comparing various types of trunnion bearings.
| Identifier | ExFiles\Box 92\2\ scan0056 | |
| Date | 8th February 1929 | |
| INDIA. AMERICAN TYPE STANDARD TYPE. G53671 STIFFENED TYPE. G53671 SS.{S. Smith} STANDARD TYPE. G76832 STIFFENED TYPE. EX.3788 COMPARISON of TRUNNION BEARINGS a.k. 8-2-29 | ||