In various technical uses. A speed-regulating device, usually consisting of vanes upon a rotating shaft, chiefly used in musical boxes and the…

A part of a mechanism consisting of a cylinder, rod, or pin with a helical ridge or groove and which… Such a device used to adjust position, esp. for…

Technical uses. A guard, guide, or gauge designed to regulate the movements of a tool or machine.

A flexible board or plate used as a component in a machine, device, etc., typically as a means of regulating motion or varying the amount of tension…

a chain used to check the movement of a mechanism, a vehicle, etc. (see quots.).

A device or contrivance for quickening or regulating the speed of machinery; also, a kind of roving-machine used in cotton-manufacture.