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).
List of finished experimental parts for a 40/50 Chassis.
| Identifier | ExFiles\Box 74\1\ scan0172 | |
| Date | 15th April 1920 | |
| X3645 Extract from RHC{R. H. Coverley - Production Engineer}1/LG15.4.20. We give below a list of experimental parts which have been finished. X.3764. 40/50 CHASSIS. X. No. Parts fitted. Engine. 3461. Spanner. This is finished and submitted to Mr. Day. 3912. Modified shock absorber to arrgt. draw. N.3761. Fitted to 49-GB, 2.EX and 4.EX. 3621. Wire tube bracket N.131. Cancelled. 2778c. Modified Clovers wiring. Fitted to 53 CW, and scrapped by Mr. Royce. 3645. Improved bolt heads e sent to R.{Sir Henry Royce} | ||