To the Development Foundry regarding casting wheel cylinders for hydraulic brakes.
| Identifier | ExFiles\Box 121\3\ scan0165 | |
| Date | 8th December 1941 | |
| Hydraulic Brakes - Chassis 1029 To Mr. Thomas, Developement Foundry. c. to Mr. Bradbury. c. to Mr. Wheeler. Rm {William Robotham - Chief Engineer} /MHR. {M. H. Rigby} 7/KC.8.12.41. Further to our memo Rm {William Robotham - Chief Engineer} /MHR. {M. H. Rigby} 4/ET. 11.11.41., with reference to GB.4178 wheel cylinder castings. This is to confirm that you are going to have the pattern cored for the 1.000" dia. hole, and that you will then cast 4 off in R.R.50. Rm {William Robotham - Chief Engineer} /MHR. {M. H. Rigby} | ||
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).