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).
Simplified diagram of the connections of a chassis electrical system.
| Identifier | WestWitteringFiles\Q\December1926-January1927\ 20 | |
| Date | 1st December 1926 guessed | |
| B FUSES C MAIN SWITCH IGNITION LIGHTS HEAD SIDE TAIL VOLT METER MENTOR LAM L FRAME CUT OUT CONTACTS CUT OUT SERIES COIL AUTO SWITCH SERIES COIL AUTO SWITCH SHUNT COIL AUTO SWITCH CONTACTS AND RESISTANCE CUT OUT SHUNT COIL F+ F- + - A XX INDICATES CONNECTION OF AUTO SWITCH SERIES COIL TO HEAD LAMPS SIMPLIFIED DIAGRAM OF CONNECTIONS OF CHASSIS ELECTRICAL SYSTEM INCLUDING (1) AUTO CHARGE REDUCING SWITCH. (2) MENTOR THERMALLY OPERATED SWITCH. (3) VOLTMETER. | ||