Teloc speed indicator and recorder No 3940 for locomotives, built by Hasler Telegraph Works, c.1930. Teloc Speed Indicator 1930
Speed Indicator and Recorder, Hasler-Hausshalter type, by G. Hasler, Berne, Switzerland, as fitted to North British Locomotive Co engines built for France during the 1914-1918 war. Hasler Speed Indicator and Recorder 1914-1918
Brown's speed indicator and recorder for railway trains 1863 Brown's speed indicator and recorder 1863
Air Speed Indicator, Range: 60-750 Km/h, by Bruhn, 1920-1970. Anforderz FL. 22231 Air Speed Indicator, 1920-1970 1920-1970
Speed indicator, made by Elliott Brothers, Young's patent no 7178. Aluminium drum container with glass covered dial on top. Speed indicator