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 detailing the modified S.S. tube setting.
| Identifier | ExFiles\Box 17\3\ Scan406 | |
| Date | 12th August 1929 guessed | |
| MODIFIED S.S. TUBE SETTING 2.338 REAR 2.255 FRONT INCREASE WIDTH OF END PIECE .062" AT EACH END OF TUBE P N a F79861 | ||