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).
Instruction sheet confirming a magneto's high-speed sparking test was satisfactory for further use.
| Identifier | ExFiles\Box 48\2\ Scan182 | |
| Date | 29th June 1920 | |
| RR 298 (100 BKS.) (SH57. 29-6-20.) MP 224355 ROLLS-ROYCE LTD. INSTRUCTIONS. To_________________________19 Order No. (2) Customer's No.____________ The high speed sparking was also good, the magneto sparked regularly at a speed of 4500rpm fully advanced. This magneto is therefore considered to be quite satisfactory for further use if required. Signed H.E.W. This Sheet must be filed on completion of the work. | ||