Test procedure sheet for low voltage, secondary voltage, coil temperature, and endurance tests.
| Identifier | ExFiles\Box 164\5\ img008 | |
| Date | 27th January 1931 guessed | |
| -4- (9) Low voltage test. At 10 volts :- At 8 volts :- Minimum voltage :- (10) Measurement of secondary voltage. Maximum gap and corresponding voltage. (11) Effect of coil temperature on secondary voltage. Maximum series gap :- (12) Endurance Test. | ||
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).