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).
Approval and issue document for tools listed on a Standardisation Sheet for the 20 HP Chassis.
| Identifier | ExFiles\Box 172\1\ img225 | |
| Date | 12th February 1931 | |
| from L.P. #2 Particulars re Tools Included on Standardisation Sheet No. X3806/5420 dated 14.1.31. [Stamped Text]: 20 H.P. CHASSIS [Table]: INITIAL | DATE | REMARKS SE | 12.2.31 | ISSUED R.{Sir Henry Royce} | 16.2.31 | MS Test ROW | 16.2.31 | A Test C. | 16.2.31 | Agreed DR. | 16.2.31 | Agreed AD. | 16.2.31 | Agreed VB. | 16.2.31 | Agreed EB. | 16.2.31 | Agreed E.{Mr Elliott - Chief Engineer} | 16.2.31 | Agreed HM.{Capt. W. Hallam - Head Repairs} | 16.2.31 | Agreed HS.{Lord Ernest Hives - Chair} | 16.2.31 | Agreed | ||