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).
Cover sheet regarding battery ignition, referencing other documents.
| Identifier | ExFiles\Box 37\1\ scan 016 | |
| Date | 18th October 1917 | |
| X.3199 18.10.17. X.3199 RE BATTERY IGNITION For memos E5/W5917, E4/W27917, and letter of August 21st, 1917, to the Controller, Technical Dept. Air Board Office, see X.3173. EFC. | ||