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).
Graph of open circuit volt-speed and short circuit ampere-speed curves for the primary windings of Scintilla and Watford magnetos.
| Identifier | ExFiles\Box 48\2\ Scan098 | |
| Date | 7th May 1924 | |
| WATFORD E06 No 50410 VOLTS AMPERES. SCINTILLA AM6A No 34937 SCINTILLA AM6A No 26485 OPEN CIRCUIT VOLT-SPEED AND SHORT CIRCUIT AMPERE-SPEED CURVES OF PRIMARY WINDINGS OF SCINTILLA AM6A, AND WATFORD E06, MAGNETOS. O.C. VOLTS S.C. AMPERES SPEED. R.P.M. H.F.W. 6-4-24 E.T.S. 7/5/24 | ||