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).
Form for tracking the standardization of chassis parts for the 'O' Series 40/50 HP and 'U' Series 20/25 HP cars.
| Identifier | ExFiles\Box 171\1\ img252 | |
| Date | 2nd December 1931 | |
| C.I.D. DRAWINGS STANDARDISATION OF CHASSIS PARTS Ref No X 3280 Date 2.12.31 Drawing No. S.61 Description of part........ Reason for change........ The number of the first chassis on which the new part will be fitted....... 'O' Series. 40/50 HP. 'U' Series. 20/25 HP. Date when chassis will be handed to test........... Cost of scrapped material, if any............ Cost of jigs and tools................ £35. Cost of part to be.... Cost of part which it will supersede.... Difference per car.... Number per car.... REMARKS | DATE | INITIALS Agreed .as | 2.12.31 | as Passed | 21.12.31 | R Issued | 25.8.31 | WOR{Arthur Wormald - General Works Manager} Agreed .C | 30.9.31 | C Agreed .DR | 2.10.31 | DR Agreed .AO | 26.9.31 | AO Agreed .YB | 26.9.31 | YB Agreed .EB | 26.9.31 | EB Agreed .E | 26.9.31 | E Agreed .U9 | 1.10.31 | U9 Agreed .aH | 1.10.31 | aH | ||