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).
Confirming no harm in mixing lubricating oil brands and that supplier labels on new chassis should be deleted.
| Identifier | ExFiles\Box 145\3\ scan0033 | |
| Date | 21th May 1935 | |
| To Sg.{Arthur F. Sidgreaves - MD} From Hs.{Lord Ernest Hives - Chair} Y2465. Hs.{Lord Ernest Hives - Chair}3/MJ.21.5.35. Replying to Sg.{Arthur F. Sidgreaves - MD}2/E.9.5.35. There is no harm in mixing the various brands of lubricating oil and therefore we consider the various suppliers should be treated the same and that the labels which are at present fixed to new chassis should be deleted. Hs.{Lord Ernest Hives - Chair} | ||