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 parts to be made for a modification to a PH.III switchbox push button.
| Identifier | ExFiles\Box 166\3\ img046 | |
| Date | 2nd July 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Wst. 6090. Rm{William Robotham - Chief Engineer}/Wst.8/AP.2.7.37 MODIFICATION TO PH.III. SWITCHBOX PUSH BUTTON. Will you please have one set of parts made for us as follows:- (a) One contact barrel D.74946 to be made in Phosphor Bronze. (b) Two springs D.74952 made in 25 SWG. material. (c) Two springs D.74951 also made in 25.SWG. material. When these parts are made we should like them assembled into a switchbox to enable us to test out the modification. Rm{William Robotham - Chief Engineer}/Wst. | ||