Wireless and radar apparatus and instruments, namely, radars and radar detectors; radar obscurants, namely, electronic transmitters for jamming radar signals; decoys, namely, military and naval radar detectors that deflect from other radars; measuring, signaling apparatus and instruments, namely, distance measuring scales, signaling buoys and signaling flares; clothing for protection against accident or injury; balloons, kites and parachutes all for scientific and aeronautical research, namel...