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).
Parts required for the S.S. Chassis Magneto Earthing Switch.
| Identifier | ExFiles\Box 65\2\ scan0010 | |
| Date | 27th October 1928 | |
| X7730 T. B. FWD (struck through) C. EFC. BY/RD4/ML.27.10.28. S.S. CHASSIS - MAGNETO EARTHING SWITCH. D.SCHEME 403 - SEC:8250. Please put in hand 3 sets of parts to L.O.P. D.71903. Blueprints of new parts are sent herewith and the other parts called for are not production parts but are used at customers' special orders and may be in stock:- D.71896 - Switch Base. D.71897 - Cover for Switch. D.71898 - Bush for Switch Cover. D.71899 - Support for Rocking Lever. D.71900 - Locking Plate - Terminal Screw. D.71901 - Back Casing - Mag: Earthing Switch. D.71902 - Securing Stud for Switch. D.{John DeLooze - Company Secretary} SCH: 403 - Magneto Earthing Switch. D.71903 - L.O.P. BY/RD. | ||