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).
Receipt, calibration, and dispatch of a Weston volt ammeter to West Wittering.
| Identifier | ExFiles\Box 34\4\ Scan025 | |
| Date | 9th April 1918 | |
| To R.{Sir Henry Royce} from EFC. c. to CJ. X. 2048 REF ELECTRICAL INSTRUMENT. We have received from the Weston Electrical Instrument Co., one volt ammeter 0 to 3 volts, 0 to 30 volts, 0 to 1.5 amps., and 0 to 15 amps. We are sending this into the Stores with instructions that it shall be despatched to you for your use at West WitteringHenry Royce's home town. We have carefully compared the volt and ampere readings on all the ranges with our calibrated standards and there are no perceptible errors of readings at any point in this comparison. EFC. | ||