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 drawing or part numbers.
| Identifier | ExFiles\Box 98\5\ scan0156 | |
| Date | 30th December 1938 | |
| -2- Rm{William Robotham - Chief Engineer}/Cr.{Mr Cra???ster / Mr Chichester}2/MH.{M. Huckerby}30.12.38. AUTOMATIC SWITCH. LOP.D.100708 (Standard). DYNAMO. LOP.DB.{Donald Bastow - Suspensions}1950 (36 slot). Dynamo Suspension LOP.DW.552. IGNITION DIST.& COND. R.R. DW.426. COIL. LOP.D.75673. BALLAST RESISTANCE. LOP.DW.296. SWITCHBOX. LOP.DW.197. DISTRIBUTION BOX. LOP.DW.536. STOP LAMP SWITCH. LOP. DW.236. LAMPS, HORNS & FITTINGS. LOP. DB.{Donald Bastow - Suspensions}1814. REGULATOR & CUTOUT. LOP. DB.{Donald Bastow - Suspensions}1922. FOOT SWITCH. Lucas FS.{F. Steele}22.N. WIRE FITTINGS. LOP. EW.1288. | ||