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 of a multi-throw crankshaft with various dimensional annotations.
| Identifier | ExFiles\Box 52\4\ Scan047 | |
| Date | 21th November 1933 | |
| ROLLS-ROYCE, LTD. PRINT ROOM NOV 21 1933 DERBY. VIEW FROM REAR END ALL JOURNALS 2.500 DIA BORE OF PINS 1.200 DIA ALL PINS 2.000 DIA 4.20" F.S. 3.60" F.S. 3x4 1x6 2x5 4.000 .500 1.700 2.800 1.500 .500 1.800 2.800 4.0 | ||