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 components including a regulator, distribution board, and foot switch with their associated part numbers.
| Identifier | ExFiles\Box 109\4\ scan0014 | |
| Date | 27th October 1938 | |
| -6- Rm{William Robotham - Chief Engineer}/Cr.{Mr Cra???ster / Mr Chichester}1/MM.27.10.38. Regulator and Cutout LOP.DB.{Donald Bastow - Suspensions}1922. Distribution Board. LOP.DB.{Donald Bastow - Suspensions}536. Foot Switch. Lucas F.S.22.H. Rm{William Robotham - Chief Engineer}/Cr.{Mr Cra???ster / Mr Chichester} | ||