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 estimation for a petrol filter based on Scheme LEC.4721.
| Identifier | ExFiles\Box 135\2\ scan0121 | |
| Date | 4th January 1936 | |
| To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} from G/Rb.{R. Bowen} G/Rb.{R. Bowen}1/M/48/W.7136. Petrol Filter to Scheme LEC.4721. Hs{Lord Ernest Hives - Chair}/Bwg.{J. C. Bowring}1/JH.4.1.36. Kindly note we estimate the Factory cost of the Petrol Filter shown on Scheme LEC.4721 to be approximately 15/- if manufactured in production quantities. For your further information we are now paying 10/6 for the Enots Filter on the Bentley chassis, and 9/9 for the 20/25HP. chassis. G/Rb.{R. Bowen} [Signature] | ||