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 instructions and diagrams for a switchbox and distribution box.
| Identifier | ExFiles\Box 163\6\ img032 | |
| Date | 7th April 1930 guessed | |
| -3- The wire 1 coming from present switchbox 1 and at present connected to distribution box 1 will be transferred to distribution box terminal R.{Sir Henry Royce} The wire R coming from present switchbox R and at present connected to distribution box R will be transferred to distribution box terminal 2. The wire 2 coming from present switchbox 2 and at present connected to distribution box 2 will be transferred to distribution box terminal 1. The resistance itself will be connected across distribution box terminals 1 and R to which switchbox wires 2 and 1 are respectively connected. Scheme 1. and Scheme 2. arrangements at the distribution box end are in accordance with the two sketches given. Scheme 1 R 1 2 A F Cut-out shunt coil Scheme 2. Wire 1 Wire 2 Wire R R 1 2 A F Cut-out shunt coil E7C | ||