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).
Cost of fitting vacuum clutch control pieces to a 40/50 car.
| Identifier | ExFiles\Box 128\2\ scan0140 | |
| Date | 20th April 1932 | |
| PN.{Mr Northey} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} 82200. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}8/MJ.20.4.32. VACUUM CLUTCH CONTROL. I ascertained from Mr. Clark that the total cost of the Vacuum Control pieces for fitting to our 40/50 car would be about 30/-. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||