Alteration note to remove surplus metal from the exhaust port due to casting build-up.
| Identifier | ExFiles\Box 132\3\ scan0128 | |
| Date | 21th March 1940 guessed | |
| To Rm. {William Robotham - Chief Engineer} 116 / RE 1117 File 18th March B40 Section 5000 RE 107. Crankcase and Cylinders. Sheet 2. Alteration. Section thro' Exhaust Port M {Mr Moon / Mr Moore} /c shown to remove surplus metal. Reason. Due to castings 'building up' at this point. No ALTERATION TO PATTERN AWH Saw. | ||
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).