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).
Letter from the Royal Aircraft Establishment regarding the dispatch of an Engine Speed Indicator.
| Identifier | ExFiles\Box 165\4\ img081 | |
| Date | 23th August 1930 | |
| X1350 COPY. ROYAL AIRCRAFT ESTABLISHMENT, SOUTH FARNBOROUGH, HANTS. Inst/197/47. 23rd August, 1930. Messrs. Rolls-Royce Ltd. Derby. Dear Sirs, Engine Speed Indicators, Electric, Mk.I.A. As instructed by the Air Ministry, we have despatched to you today under separate cover, one Electric Revolution Indicator Mark I.A. No.15, (Starboard), complete with Generator No.49. Copies of instruction leaflets Nos. 48 and 69 are enclosed herewith, together with the calibration sheet for the instrument. Yours faithfully, Sgd. H.Ermsted. Chief Superintendent, R.A.E. Enclosed. Instruction leaflets. Calibration Sheet. | ||