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 winding of a Lucas ER6 Magneto No. 50.
| Identifier | ExFiles\Box 40\2\ Scan089 | |
| Date | 1st April 1936 | |
| [ "X 8793", "VOLTS", "AMPERES", "S.C. AMPERES.", "SPEED r.p.m.", "OPEN CIRCUIT VOLT-SPEED", "AND", "SHORT CIRCUIT AMPERE SPEED", "CURVES", "OF PRIMARY WINDING OF", "LUCAS ER6 MAGNETO NO 50.", "D6/B", "1-4-36" ], | ||