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).
Diagrams comparing bearing and balance weight arrangements for a 12-cylinder engine.
| Identifier | ExFiles\Box 63\4\ scan0141 | |
| Date | 4th April 1932 guessed | |
| HS{Lord Ernest Hives - Chair} 534 7 BRG: L=34.8 4 BRG: L=30.7 3 BRG: L=29.8" CHRYSLER 12 WTS ALFA 5 WTS CHRYSLER DE SOTO 4 WTS A.C. 3 WTS 8 WTS 4 WTS ARRANGEMENT OF BEARINGS AND BALANCE WEIGHTS 12 CYL ENGINE 2.5 1.5 1.8 .8 1.7 3.0 | ||