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 an S.S. Distribution Board incorporating a Green Lamp Switch, showing connections for a production test.
| Identifier | ExFiles\Box 60\3\ Scan090 | |
| Date | 11th November 1940 | |
| S.S DISTRIBUTION BOARD INCORPORATING GREEN LAMP SWITCH CUT OUT SERIES SHUNT FRAME CONNECTED TO TERMINAL H MANGANIN COPPER GREEN LAMP SWITCH E S N A C B D F G H J 1 2 3 4 5 6 7 CONNECTIONS FOR PRODUCTION TEST D- F+ D+ V A A2 T1 T2 R X 611/11.11.40 | ||