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).
Accompanying a blueprint for the revised 20 HP wheelcase and gears, noting that some design elements are still undecided.
| Identifier | ExFiles\Box 56\3\ Scan053 | |
| Date | 27th November 1920 | |
| X4233 To Da.{Bernard Day - Chassis Design} from E.{Mr Elliott - Chief Engineer} c. to CJ. c. to Hs.{Lord Ernest Hives - Chair} c. to EFC. c. to Ey. E2/G27.11.20. X.4233. RE REVISED 20 H.P. WHEELCASE AND GEARS. We send you herewith blue print of drawing LeC.1312. The slipper flywheel, spring drive, crankshaft pinion, fan pulley etc. are complete on this drawing, also the intermediate wheel and the dynamo drive, but the shape of the wheelcase has yet to be completed, and the camshaft finally decided. The original tracing will be sent completed at a later date. E.{Mr Elliott - Chief Engineer} (upside down text at bottom) R.{Sir Henry Royce} R.{Sir Henry Royce} 238A (100) (T) (S. H.{Arthur M. Hanbury - Head Complaints} 159. 11-8-20) (G) 2500 | ||