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).
Comparison of Wraith primary ignition current curves for Rolls Royce and Delco-Remy distributors at 650 and 1400 RPM.
| Identifier | ExFiles\Box 164\5\ img422 | |
| Date | 5th April 1939 | |
| WRAITH IGNITION PRIMARY CURRENT CURVES ROLLS ROYCE DISTRIBUTOR 650 R.P.M. AMPS 2 1 0 ROLLS ROYCE DISTRIBUTOR 1400 R.P.M. V.Ch.5 AMPS 2 1 0 DELCO - REMY 650 R.P.M. AMPS 2 1 0 DELCO - REMY 1400 R.P.M. AMPS 2 1 0 S.G.L 5.4.39 | ||