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).
Specification sheet for an Osram Extra High Tension Rectifying Valve, Type E.H T.2.
| Identifier | ExFiles\Box 41\2\ Scan081 | |
| Date | 23th April 1930 guessed | |
| Osram Valves Extra High Tension Rectifying Valve. TYPE E.H T.2. Left Graph: ANODE CURRENT IN MILLIAMPERES ANODE VOLTS Ef. 5.5v Ef. 5.0v Ef. 4.5v Right Graph: FILAMENT EMISSION IN MILLIAMPERES FILAMENT CURRENT IN AMPERES FILAMENT VOLTS FILAMENT EMISSION FILAMENT CURRENT Filament Volts ... 5.0 max Filament Current ... 2.85 amps. (approx.) Max. reverse peak Voltage ... 40,000 Impedance ... 5,000 ohms. | ||