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).
Engineering drawing of a crankshaft with dimensions and a part section showing oil holes and plugs.
| Identifier | Morton\M4.2\ img031 | |
| Date | 1st November 1923 | |
| 12 DIA: 2.750 1 2 3 4 5 1.750 12.449 7.716 1.975 5.237 9.970 14.703 19.433 24.166 26.650 .150 R.{Sir Henry Royce} 2.125 .475 1.325 ALUMINIUM PLUGS SCREWED 1.375 DIA. - PART SECTION SHOWING OIL HOLES IN CIRCULAR WEBS. (SCALE - 1/2) .../11/23 | ||