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).
Letter concerning piston design and an official order for rings.
| Identifier | ExFiles\Box 87\2\ scan0179 | |
| Date | 28th April 1936 | |
| -2- We do not think it will have much effect but we shall have to make certain before we change over from existing design of piston. We are instructing our Order Office to forward to you an official order for the rings we are asking for. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||