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).
The purchase of an insulation testing voltmeter from Ferranti Ltd.
| Identifier | ExFiles\Box 165\3\ img105 | |
| Date | 14th November 1934 | |
| x6033 EJJ. From Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.9/MA.14.11.34. INSULATION TESTING VOLTMETER. Will you please order for us from Messrs. Ferranti Ltd., one of their small 2 1/2" portable pattern electrostatic voltmeters range 0-2000 volts. The catalogue price for this is £3-5-0d. and we require this instrument for special insulation tests which we are carrying out on works products. Hs{Lord Ernest Hives - Chair}/Wst. | ||