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).
Request to the Bentley Unit to make three sets of piston rings for V1597.
| Identifier | ExFiles\Box 86\2\ scan0033 | |
| Date | 6th July 1933 | |
| X236 RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation} Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation}2/MA.6.7.33. BENTLEY UNIT. Will you please make three sets of piston rings to V1597. Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation} | ||