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 36 Piston Rings from the Light Production Company.
| Identifier | ExFiles\Box 87\2\ scan0093 | |
| Date | 25th November 1935 | |
| To Roy.{Sir Henry Royce} X236 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}6/KW.25.11.35. Will you please pass an order to the Light Production Company for 36 Piston Rings, as per the attached invoice. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||