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).
Continuation page of instructions for testing various electrical terminal combinations and light functions.
| Identifier | ExFiles\Box 70\4\ scan0176 | |
| Date | 19th October 1926 guessed | |
| -2- Contd. (2) With HS{Lord Ernest Hives - Chair} and T switched on, light is obtained from terminals Nos. 4 & 5. (3) With B only switched on, light is obtained from terminal No.3 only. (4) With M, B & C switched on, light is obtained from terminals Nos. 1,2, & 3. (5) With M & C switched on, light is obtained from terminals 1 & 2. (b) Now remove battery positive terminal No.6 and connect it to terminal No.1. Put loose terminal wire on 2 and ascertain that no light is obtained until the positions M, B and C, or M & C are made. (c) Connect battery positive to centre terminal, and loose terminal wire to case. Ascertain that no light is obtained except in the positions "off" and B. (d) Now remove battery positive from 1 and connect it to 7. Then connect battery negative to case. Connect lamp between terminal GL{G. Linnett} and case and ascertain that it lights by operating the press button switch. Next, connect lamp terminals to inspection plug and ascertain that it is lighted by inserting the plug in its socket. EFC. | ||