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).
Order for oil regulating and compression piston rings.
| Identifier | ExFiles\Box 16\1\ Scan180 | |
| Date | 3rd March 1926 | |
| X.741 To ROY.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} Hs{Lord Ernest Hives - Chair}4/LG5. 3. 26. Will you please send order to Messrs. R.A. Rothermel, Ltd., 24/26 Maddox Street, Regent Street, London W.1. for :- 18 Oil Regulating piston rings 4 1/4 X 3/16. 76 Compression Piston rings 4 1/4 X 3/16. Hs.{Lord Ernest Hives - Chair} | ||