Gimbal

A mechanical contrivance for keeping a suspended Ic pofr vertical, whatever be the derangements to which the points J.0/ suspension are liable. It consists of two bra rings w j""1 to its p … mmi perpendicularly each angles another, one placed move within about two axes, at right to each other. Gin. weights, — A machine for raising and moving and at … consisting of a tripod formed heavy of poles guns united … top. with a windla , pulleys, ropes, etc. Also written 007 Gin-Derrick. — The garrison gin-derrick consists of two … framed together, one pry-pole, two drums or windla es geared wheels, and two wagon-wheels, serving the double … wosr for and point to point from of moving the derrick pose the windla .