Letter from the Admiralty Air Department requesting tests on electrical speed indicators for aero engines.
| Identifier | ExFiles\Box 33\4\ Scan137 | |
| Date | 20th June 1915 | |
| W-Wormald X.1782 COPY Air Department, ADMIRALTY, LONDON, S.W. 20 June, 1915. [STAMP: RECEIVED 22 JUN 1915] Gentlemen: X. 1807. Electrical Speed Indicators. [Handwritten above: X-2125 X.1782] A small magneto generator and Weston Voltmeter have been obtained, and it is desired to test this outfit for general suitability for Aero Engines. The magneto, with wiring and driving belt, have been forwarded direct to Derby, but the Weston Voltmeter has been sent to Mr. Royce at St. {Capt. P. R. Strong} Margarets Bay, as I understand he expressed his wish to see the instrument. Will you please undertake whatever tests may be necessary, and report the results to the Air Department. Yours truly, (Signed) W. BRIGGS. Director, Air Department. [Handwritten note]: Voltmeter recd from R on 23.6.15 & handed to Mr Hives. Messrs. Rolls-Royce Ltd., 15, Conduit Street, Regent St. {Capt. P. R. Strong} W. [STAMP: RECEIVED 23 JUN 1915] [Handwritten note]: Copy sent R orig. in file [Handwritten note in left margin]: New X Ref | ||
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).