Attaching a blueprint for piston RE.1821, checked against a drawing submitted by Aerolite.
| Identifier | ExFiles\Box 110\3\ scan0129 | |
| Date | 21th December 1940 | |
| To Rm. {William Robotham - Chief Engineer} from Rm {William Robotham - Chief Engineer} /HH. c. Rm {William Robotham - Chief Engineer} /CTS. {C. Trot Salt - Carburation} [Handwritten numbers top right: 736, 78, 1080] Rm {William Robotham - Chief Engineer} /HH.2/SW.21.12.40. Myth M.40. [Handwritten initial 'Rm {William Robotham - Chief Engineer} ' in blue ink over text] We attach to Rm {William Robotham - Chief Engineer} /CTS {C. Trot Salt - Carburation} copy of this memo one blue-print of :- RE.1821 Piston (2.5 dia.) This detail has been checked up against the drawing submitted by Aerolite. Kindly instruct as required. Rm {William Robotham - Chief Engineer} /HH. [Handwritten signature] | ||
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).