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).
Photograph showing lead bronze connecting rod bearings after 10,000 miles.
| Identifier | ExFiles\Box 5a\4\ 04-page201 | |
| Date | 15th December 1934 | |
| LEAD BRONZE 21GIV : 15 DEC 1934 CONNECTING ROD BEARINGS 10000 MILES PRANER | ||