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 detailing the advantages of a feature improvement on a magneto's mechanical performance.
| Identifier | ExFiles\Box 48\2\ Scan296 | |
| Date | 29th August 1920 | |
| RR 235 (150 BKS.) (SH57. 29-8-20.) MP 224388 ROLLS-ROYCE LTD. INSTRUCTIONS. To 19 Order No. 4. Customer's No. which is even now considered to be quite reasonable. The improvement this feature effects on the mechanical performance of the magneto is very advantageous the detrimental effect on the electrical performance being very slight. Signed M.H.E.W. This Sheet must be filed on completion of the work. | ||