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).
Inquiring about the completion status of an ignition coil test.
| Identifier | ExFiles\Box 69\1\ scan0181 | |
| Date | 30th January 1929 | |
| To EFC. X.8710 BY/RD5/ML30.1.29. IGNITION COIL. Re BY/RD5/ML7.11.28. Has this coil completed its test please? RECEIVED BY/RD. | ||