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).
Letter proposing a newly designed aero sparking plug.
| Identifier | ExFiles\Box 34\2\ Scan094 | |
| Date | 7th April 1918 | |
| 21 X2514 D APR 1918 Personnel Lane End Dollis Hill Lane Cricklewood N.W. 2 7. 4. 18 Messrs Rolls-Royce Ltd Dear Sirs, I have designed an aero sparking plug giving the maximum spark at all compressions & speeds. If the finance & manufacture of this would interest you, I would be pleased to give you fuller details. Yours faithfully T. F.{Mr Friese} Newman 14 and 15 Conduit St W.C. 1. | ||