Drawing of a crankshaft with a detailed section view of oil holes.
| Identifier | ExFiles\Box 180\M4\M4.2\ img031 | |
| Date | 19th May 1921 guessed | |
| 7 1/2 DIA 2.750 1.750 12.449 7.716 1.975 5.237 9.970 14.703 19.433 24.166 26.650 150 R: 2.125 2.750 .475 1.325 ALUMINIUM PLUGS SCREWED 1.375 DIA. - PART SECTION SHOWING OIL HOLES IN CIRCULAR WEBS. (SCALE - 1/2) | ||
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).