original vintage american industrial single electric "explosion proof" wall-mount factory wall sconce designed and fabricated by or for the killark mfg. co., st. louis, mo. the fixture contains of a metallic silver enameled steel pipe, flange and fixture with impact-resistant ruby red glass globe and threaded end metal cage. the weather-resistant ceramic socket is original and intact. the industrial wall sconce has been rewired with braided cloth cord. measures approximately 4 1/2 x 11 1/2 x 9 inches.