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).
List of electrical components and their associated part numbers.
| Identifier | ExFiles\Box 169\1\ img076 | |
| Date | 17th April 1930 | |
| (2) HRC/WSC{W. S. Cassel}/su1/17.4.30 Dashboard Ignition Terminal to 1.O.P. D.5072B. Body Lighting Junction Box to 1.O.P. D.50822. Starter Switch to 1.O.P. D.72531. Magneto Earthing Switch to 1.O.P. D.72563. Accessory Distribution Board to 1.O.P. D.72514. Hand Lamp & Fittings to 1.O.P. D.72478. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||