Blueprints for the M.40 Engine's radiator and fittings.
| Identifier | ExFiles\Box 110\2\ scan0114 | |
| Date | 17th July 1941 | |
| To Rm {William Robotham - Chief Engineer} /Col. from Rm {William Robotham - Chief Engineer} /HH. c. to Rm. {William Robotham - Chief Engineer} 740 Rm {William Robotham - Chief Engineer} /HH.4/SW.17.7.41. M.40 Engine. Radiator & Fittings - Sec. 5250. Please receive herewith one blueprint of each of the following schemes :- PL.530 Radiator Matrix and Top Tank. PL.531 Radiator Matrix and Bottom Tank. The details of the radiator were issued under cover of memo reference Rm {William Robotham - Chief Engineer} /HH.9/SW.14.7.41. Rm {William Robotham - Chief Engineer} /HH. Hole | ||
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).