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).
Test and calibration data for Instrument 92, detailing voltage, amperage, resistance, and range correction values.
| Identifier | ExFiles\Box 33\4\ Scan185 | |
| Date | 19th February 1920 guessed | |
| -2- Instrument 92. 31. Instrument only. Terminal voltage for full scale deflection = .02013 (Scale v.{VIENNA} nearly proportional) Amperes for full scale deflection = .01270. Resistance = 1.585 . 32 Instrument shunted in box. Terminal voltage for full scale deflection = .02013 . Amperes ditto .02310 Resistance .872 . 33. 1.5 volt range. Reading. Deduct. 0 - 1.0 Correct. 1.0 - 1.5 .5% 34. 15 volt range. Quite correct. Contd. | ||