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).
Page 2 of instructions detailing a magneto's superior features and test performance on an 'R' development engine.
| Identifier | ExFiles\Box 43\4\ Scan178 | |
| Date | 9th December 1924 | |
| RR 226 (150 BKS.) (DB.{Donald Bastow - Suspensions}461-9-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. (2) 19 To Order No. WD{Mr Wood/Mr Whitehead}78 (contd) Customer's No. magneto is definitely established particularly as it embodies several features which we consider are superior to the B.T.H. construction e.g. internal L.T. connection, bronze endplate for contact breaker bearing and improved screening. Also the pair of Watford aero magnetos we used on an "R" development engine, apart from some screws which were not properly locked working loose, functioned OK without a hitch and were in splendid condition after a gruelling at 3500 (engine rpm)! Mr. Allen of North and Sons Ltd is very willing to experiment with and endeavour to incorporate on these magnetos any feature we Signed (contd) This Sheet must be filed on completion of the work. | ||