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 order two sets of Scraper Rings with a specific width for Aerolite Pistons.
| Identifier | ExFiles\Box 86\2\ scan0209 | |
| Date | 30th May 1934 | |
| Roy.{Sir Henry Royce} X236 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}2/KW.30.5.34. Will you please order from the Light Production Co. 2 sets of Scraper Rings having a scraper land width of .034". These are for the Aerolite Pistons previously supplied. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||