1879 3 June 464/3 The belt-speed, which is rather high, is thus reduced 20 to 1.
1981 (Nexis) 2 Jan. 5 The rated capacity of the 915mm wide belt system will be 850 t/h at a belt speed of 3.56 m/s.
2013 (Nexis) 5 June (Features section) 9 The Fichera brothers believed an adjustment was needed so the belt speed could be kept constant.