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 detailing the method for measuring the twist in crankshafts.
| Identifier | ExFiles\Box 25\3\ Scan334 | |
| Date | 19th April 1933 | |
| R-R.{Sir Henry Royce} METHOD OF TWISTING CRANKSHAFTS., PLAIN CRANKSHAFT:, CRANKSHAFT SUPPORTED IN CRANKCASE, REAR END FIXED, 30" RAD., TORQUE ON NOSE., DIAL INDICATORS, CRANKSHAFT AND RED. GEAR:, W, Th, Tc, T.S. 19/4/33 | ||