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).
Note stating a modification only affects bought-out parts with no works tool cost involved.
| Identifier | ExFiles\Box 60\3\ Scan316 | |
| Date | 6th December 1934 guessed | |
| This modification affects bought out parts only. No works tool cost is involved. | ||