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).
Confirmation of crankshaft modification for Chassis B.6.BN before being sent for nitriding.
| Identifier | ExFiles\Box 146\3\ scan0222 | |
| Date | 10th December 1936 | |
| 1020 To Bentley Motors Ltd. Derby ................Rm.{William Robotham - Chief Engineer} Levallois Sr/VAI9/GM.10.12.36 re: Chassis B.6.BN{W.O. Bentley / Mr Barrington} - Mr. E.E. BLANC With reference to the conversation which we had with you on the telephone on Tuesday morning last, we confirm that in agreement with you, we have drilled an extra and opposite hole/in each of the seven main bearing journals of the crankshaft before same was sent to Messrs. Aubert & Duval for nitriding. Sr/VA.VB | ||