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).
Standardisation form for a compression ratio cylinder head part.
| Identifier | ExFiles\Box 171\1\ img256 | |
| Date | 15th September 1931 | |
| COPIED 12.10.31 STANDARDISATION of CHASSIS PARTS Reference: X 0801 / 15.9.31 Description of Part: COMPRESSION RATIO CYLINDER HEAD. 1 : 6 Drawing No.: E81284 Origin: The number of the first chassis on which the new part will be fitted..... Cont. type chassis only. Date when chassis will be handed to test..... ---------- Cost of scrapped material, if any... Cost of jigs and tools..... £3. for ni. forms. TABLE OF APPROVALS: INITIAL | DATE | REMARKS --- | --- | --- OS | 14.10.31 | Agreed S.E. A | 21/9/31 | [Illegible Signature] W.O.R. | 30.9.31 | Agreed for.... C | 30.9.31 | Agreed C.O. DR. | 1.10.31 | Agreed H.I. AO. | 2.10.31 | Agreed O.A. BY.{R.W. Bailey - Chief Engineer} | 30.9.31 | Agreed E.B. | 2.10.31 | Agreed - in conjunction with Diamond machine. E | 2.10.31 | Agreed A.W. P.H. | 30.9.31 | Agreed W.H. S.H. | | Agreed OTHER TEXT: Signature from Dept. that above is correct. 10.12.31 .......mins........ 12.10.31 .......mins........ Cost of Part Old. | Weight of Part Old. Cost of Part New. | Weight of Part New. Difference per Car. | Difference per Car. | ||