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 lubricating scheme, noting the effectiveness of Prices Motorine 'C' oil.
| Identifier | ExFiles\Box 56\4\ Scan108 | |
| Date | 21th November 1927 guessed | |
| contd :- -2- The lubricating scheme is quite satisfactory and during our tests this has been made full use of. We find that Prices Motorine 'C' oil gives us the best results, heavier oils are inclined to make the unit sluggish in operation. We are at present carrying out further invest- igations with this unit. Ha/G.W.Hancock. | ||