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).
The recommendation of Castrol oil for car engines.
| Identifier | ExFiles\Box 32\3\ Scan030 | |
| Date | 21th July 1920 | |
| HS.{Lord Ernest Hives - Chair} 90.FP.{F. Potts} X.1583 EP{G. Eric Platford - Chief Quality Engineer}/T14/F21.7.20. V.1583 RE CASTROL OIL FOR CAR ENGINES With reference to the attached, you replied as per your Hs{Lord Ernest Hives - Chair}6/LG4.2.20 that you had no information regarding this, and asked us to bring the matter forward in three months' time. It is now about twelve months ago since Mr. Royce wrote to you as per his R9/C4.9.19, stating that he proposed to circularise Sales Dept. recommending Castrol for R.R. chassis engines, as soon as it was agreed that Castrol should be used. EP{G. Eric Platford - Chief Quality Engineer}/T. [Stamp: E C JUL 23 19.. RECEIVED] | ||