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).
Confirming a drawing will be issued for a piston pin size modification.
| Identifier | ExFiles\Box 3\6\ 06-page123 | |
| Date | 26th January 1934 | |
| - 2 - E.6/HP.26.1.34. If you are in agreement with us on this matter we will issue a drawing next week covering the modification to piston pin size. E.{Mr Elliott - Chief Engineer} | ||