Air Speed Indicator early diaphragm type, made by C.S.I. Co. Air Speed Indicator early diaphragm type
Air speed indicator, protable, Mark I., by R.W. Munro Ltd, London N15. No.108. Marked AM, stores ref No.6E/160 Air speed indicator, portable
Air Speed Indicator Mk IVA by Elliott Brothers (London) Ltd., c. 1916. Serial No. 572.H. Scale 30-130 mph Air Speed Indicator Mk IVA by Elliott Brothers (London) Ltd. 1916
Calibration instrument Mark IIA for air speed indicator, by R W Munro, Engineers, London, WC1, England. Calibration instrument for air speed indicator
Combined Turn and Bank Indicator and Air Speed Indicator. (Dutch blind flying instrument?) Turn and bank indicator and Air Speed indicator 1920-1970
Air Speed Indicator Mk. IV A Smiths, 40 to 160 mph, September 1918 Air Speed Indicator Mk. IV A Smiths