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).
Request for blueprints and a list of standard parts for testing hydraulic braking systems on all chassis.
| Identifier | ExFiles\Box 121\1\ scan0113 | |
| Date | 27th January 1939 | |
| HPS{Horace Percy Smith - Experimental Factory Mgr} c. Rm.{William Robotham - Chief Engineer} c. Rm{William Robotham - Chief Engineer}/ID. 1029 BY/A1d.1/G.27.1.39. ALL CHASSIS - HYDRAULIC BRAKING SYSTEM. Please receive herewith two blueprints of the following drawings :- Ex.S.1380 Piston 1 off. Ex.S.1381 Piston 1 off. Ex.S.1382 Cylinder 1 off. The following standard parts will also be required :- K.4413 Washer 1 off. K.4316 Nut 1 off. K.9010 Spring Washer. 1 off. KB.4954 Plug. 1 off. KB.1084 Aluminium Washer. 1 off. The above are for use in testing Hydraulic Braking Systems. Kindly instruct 1 set. Ald{F. Allwood - Experimental Design} BY/A1d. | ||