vintage american industrial ceiling mount single electric "explosion proof" pendant light designed and fabricated by or for the killark mfg. co., st. louis, mo. the factory light fixture contains a reinforced cast aluminum cage surrounding a dark ruby-colored high impact resistant glass "bulb guard" or globe. the socket housing contains a single weather-proof ceramic socket with standard screw base. the post is comprised of heavy gauge black enameled steel with threaded ends. the unusual patented swivel canopy is comprised largely of steel. measures 16 inches tall.