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).
Letter to The Light Production Co. Ltd. requesting the supply of high pressure scraper rings and compression rings for a 4 1/4 litre Bentley.
| Identifier | ExFiles\Box 148\3\ scan0213 | |
| Date | 10th March 1937 | |
| 1256 10th March 1937. Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews}8/AP. The Light Production Co.Ltd., 60/66 Rochester Row, Westminster, LONDON S.W.1. For the attention of Mr.C.H.Brooks. Dear Sirs, Will you please supply the following rings as early as possible - 24 High pressure (32.lbs/sq.in) scraper rings suitabe for 3 1/2" bore i.e. as previously supplied for 4 1/4 litre Bentley except that we require a ground finish on the periphery. 48 Compression rings for 4 1/4 litre Bentley having 14.5 lbs/sq.in. wall pressure with ground finish and suitable for bores .005" oversize. If you cannot supply the compression rings immediately will you please send the scraper rings ahead of them. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||