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 corresponding drawing numbers.
| Identifier | ExFiles\Box 169\1\ img227 | |
| Date | 27th June 1930 | |
| (2) RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/MS27.6.30. Dashboard Ignition Terminal to LOP. D.60718. Body Lighting Junction Box to LOP. D.60833. Starter Switch to LOP. D.72231. Magneto Earthing Switch to LOP. D.71903. Accessory Distribution Board to LOP. D.72214. Head Lamp & Fittings to LOP. D.72021. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||