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).
Chassis number, test date, and costs for fitting a new part.
| Identifier | ExFiles\Box 13\7\ 07-page018 | |
| Date | 12th November 1928 | |
| (1) The number of the first chassis on which the new part will be fitted. G-2-B series. (2) Date when the chassis will be handed to test. 12.11.28 (3) Cost of scrapped material, if any. Nil. (4) Cost of jigs and tools. £325 | ||