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).
Follow-up letter to The Light Production Co. Ltd. regarding lighter pistons and requesting the material specification for piston rings.
| Identifier | ExFiles\Box 148\1\ scan0295 | |
| Date | 19th December 1940 | |
| EXPERIMENTAL DEPARTMENT 19th December, 1940. 1256 Rm{William Robotham - Chief Engineer} /CTS.{C. Trot Salt - Carburation}4/ET. The Light Production Co. Ltd., 68, Liverpool Road, S L O U G H, Bucks. Attention of Mr. Brooks. Dear Sir, Further to our letter dated 10th December, we would appreciate a reply to this, if possible by return. At the same time, we would like to know how you are getting along with the 7 lighter pistons mentioned in our letter dated 25th November. Would you also let us know the En. value for the material used on piston rings normally fitted to aerolites supplied by you. Yours faithfully, | ||