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).
Blueprints for Bentley 50 Spring Drive components and a bearing from Vandervell Products Ltd.
| Identifier | ExFiles\Box 112\3\ scan0064 | |
| Date | 8th December 1938 | |
| WPS. (crossed out) c. Rm.{William Robotham - Chief Engineer} (crossed out) c. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} (crossed out) .817 BY/Ald.{F. Allwood - Experimental Design}9/G.8.12.38. BENTLEY 50. SPRING DRIVE - SECTION 5020. Please receive herewith two blueprints of each of the following :- Ex.S.1280 Thrust Ring. 1 off. Ex.S.1281 Driving Flange. 1 off. Ex.S.1282 Damper Flywheel. 1 off. also two prints of the following bearing, which is being made by Vandervell Products Ltd.- Ex.S.1283 Bearing - Damper Flywheel. 1 off. Kindly instruct one set. The bearing will be supplied by Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} Ald{F. Allwood - Experimental Design} (handwritten signature) BY/Ald.{F. Allwood - Experimental Design} | ||