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).
Blueprint of a modified component cross-section, detailing the removal of two bosses.
| Identifier | ExFiles\Box 13\7\ 07-page110 | |
| Date | 12th November 1931 guessed | |
| Hs{Lord Ernest Hives - Chair} 460 MODIFICATIONS TO G76602/3 1.925 1.025 .150 BOSS REMOVED .200 BOSS REMOVED .900 1.800 | ||