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).
Telegram message received by telephone with instructions for ignition system components.
| Identifier | WestWitteringFiles\D\October1919\ Scan20 | |
| Date | 1st October 1921 | |
| R.H.R. 444. (10-21). (50,000). E.F.H./S. ROLLS-ROYCE, Limited. TELEGRAM RECEIVED BY TELEPHONE. Time Received........... Date........... To........... By........... from 2 known good bosch or lodge secondly removing iron tube using same arrangements of wired in fibre tube thirdly locating coil close to distributor THIS SHEET MUST BE FILED. | ||