Abstract: A two axis (azimuth and elevation) stabilized common gimbal (SGC) for use on a wide variety of commercial vehicles and military vehicles which are employed in combat situations capable of stabilizing a payload of primary sensors and of mounting a secondary sensor payload that is independent of the moving axes. The SCG employs three gyroscopes, inertial angular rate feedback for providing gimbal control of two axes during slewing and stabilization. In addition the third (roll) gyroscope is used for performing automatic calibration and decoupling procedures. In this regard, the SCG provides an interface for the primary suite of sensors comprising one or more sensors having a common line-of-sight (LOS) and which are stabilized by electronics, actuators, and inertial sensors against vehicle motion in both azimuth and elevation.

Abstract: A combination arc brazing and welding electrode holder for use with welding apparatus for holding a pair of brazing electrodes in proper arc striking and arc maintaining relation or for holding an arc welding electrode. The holder has a pair of hinged handle parts swingable between an open and a closed position and each of the handle parts carries an electrode holding clamp. One of the holding clamps together with its power lead is readily removable from its handle part so that it may be attached to a work piece remote from the holder thereby to constitute a grounding lead for electric arc welding. The holding clamps are so constructed as to wedgingly hold a range of sizes or diameters of electrodes.