CHANGE GEAR
Source: 567
Change gear. (Mach.) A gear by means of which the speed of machinery or of a vehicle may be changed while that of the propelling engine or motor remains constant; — called also change-speed gear.
Source: 567
Change gear. (Mach.) A gear by means of which the speed of machinery or of a vehicle may be changed while that of the propelling engine or motor remains constant; — called also change-speed gear.