A Change-speed Unit Without Gearwheels

V -pulleys and Belt Drive Used in New Form of Variable-speed Transmission Device T HERE have been many forms 01 variable-speed device_ in which belts and pulleys have been used......

Will This Vehicle Appeal To Tradesmen?

Novel Design of Military Singletrack Machine Which Has Possibilities in the Commercial Field H ITHERTO, we have looked upon 1 I the single-track, or motorcycletype of machine,......