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).
Different types of Berling magnetos.
| Identifier | WestWitteringFiles\F\April1921\ Scan81 | |
| Date | 2nd April 1921 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 91300 To E.F.G. Order No. P.A. 74. Re X 3723. Customer's No. April. 2nd. 1921 Report on Berling Magnetos, Types D63. F61. E61. It seems that Berling magnetos were very popular in America at one time, but this may not be the case now. Apparently, the two most used were the F61, and E61, which are practically the same in design; the F61 being slightly larger and heavier. The D63, about which little is said, is totally different. Although embodying some good ideas, the whole thing appears cumbersome, and is unnecessarily complicated, so that, even if it did well on test, would Signed Cont'd.{John DeLooze - Company Secretary} This Sheet must be filed on completion of the work. | ||