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 a modification to a plug for replenishment valves.
| Identifier | ExFiles\Box 95\4\ scan0067 | |
| Date | 22th August 1936 | |
| AS SUPPLIED To 35 EX 22-8-36 PLUG - REPLENISHMENT VALVES MODIFICATION TO EXISTING PIECE - G83736 RM{William Robotham - Chief Engineer} 212 2 1/2" DIA +/- 1/64 D117 | ||