R 1038 tachograph, developed by Hasler Ltd, designed for railways requiring only records for period preceding accident or incident involving locomotives or railcars; device functions as normal speed indicator with mileage counter but utilizes recording disk which provides records against distance base of 1820, 910, or 450 yd only, data previous to selected distance being automatically erased.
Speed and brake application recorder
Ry Gaz
Railway Gazette ; 104 , n 23
1956
2 pages
Article (Journal)
English
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