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).
Hs. to Mr. Alvey requesting an order for P4 specification oil for experimental purposes.
| Identifier | ExFiles\Box 27\4\ Scan106 | |
| Date | 13th May 1926 | |
| X5035 Mr. Alvey O.O. from Hs.{Lord Ernest Hives - Chair} Hs{Lord Ernest Hives - Chair}4/LG13.5.26. Please order for experimental purposes :- 4 barrels - P4. Specification oil. Hs.{Lord Ernest Hives - Chair} | ||