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).
Wiring diagram for the connections of an electro-magnetic field resistance inserting switch unit for a chassis dynamo.
| Identifier | ExFiles\Box 59\1\ Scan081 | |
| Date | 19th October 1926 guessed | |
| To Dis: Box TERMINAL A To HEAD LAMPS SERIES SHUNT FROM Dis: Box TERMINAL C FROM Dis: Box HEAD LAMP TERMINAL To DYNAMO TERMINAL C CONNECTIONS OF ELECTRO-MAGNETIC FIELD RESISTANCE INSERTING SWITCH UNIT FOR CHASSIS DYNAMO X.4528 | ||