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).
A top oiling issue temporarily fixed with new felt washers.
| Identifier | ExFiles\Box 47\2\ Scan128 | |
| Date | 20th June 1929 guessed | |
| Urgent. H.S. This is a case of top oiling which was cured temporarily by fitting new felt washers. Is there any chance now of reducing the top oil supply. MJ | ||