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).
Fitting of a new part to an 'O' Series chassis, including costs for materials and tools.
| Identifier | ExFiles\Box 168a\2\ img059 | |
| Date | 1st March 1932 guessed | |
| The number of the first chassis on which the new part will be fitted.... 'O' Series. Date when chassis will be handed to test.... --- Cost of scrapped material, if any.... Nil. Cost of jigs and tools.... £65. | ||