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).
Instructions for testing electrical wiring and components.
| Identifier | ExFiles\Box 56\4\ Scan131 | |
| Date | 7th December 1927 guessed | |
| -2- COPY (b) Now remove battery positive from No.6. and connect it to 1. Put loose lamp terminal wire on 2 and ascertain that no light is obtained until I and C position of switch is made. (c) 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. [Watermark: CROXLEY EFC. DICKINSON BOND] | ||