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 to North & Sons, Ltd. regarding Watford IS.12 magnetos, a technical report, and safety gap settings.
| Identifier | ExFiles\Box 43\4\ Scan290 | |
| Date | 19th June 1930 | |
| X4021. EFC2/AD. 19th June, 1930. Messrs. North & Sons, Ltd, Whippendell Rd. Watford. Dear Sirs, Watford IS.12 Magnetos. Confirming the points discussed with your Mr. Kirby during his visit to our premises yesterday, we are hoping to receive from you in due course, a technical report concerning magnetos Nos. 98034 and 83132 and also to hear from you that any further aero magnetos delivered to us will have safety gaps set to a minimum of 8.5 mm. The reference of our previous letter in this connection is EFC3/AD. of May 17th. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||