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).
Inquiry about the availability of an electrical speed indicator (voltmeter) calibrated in Revolutions instead of Volts.
| Identifier | ExFiles\Box 33\5\ Scan020 | |
| Date | 16th October 1919 | |
| R.R. 235 a (200 T) (S F.{Mr Friese} 673, 22-5-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2376 X1807 BY/1/H.{Arthur M. Hanbury - Head Complaints} 16. 10. 19. U.W. AERO ENGINE. ELECTRICAL SPEED INDICATOR. I would like to know whether one of the above instruments with the specially divided voltmeter calibrated in Revs instead of Volts, is available, as if so, we have an opportunity of disposing of it, A.E.M. WORKS C RECEIVED 16 OCT 1919 BY.{R.W. Bailey - Chief Engineer} By | ||