Skylab fluorescent overhead light assembly, measuring approximately 16.5″ x 2.5″ x 2″ with attached 7″ cable and power plug, bearing an affixed Sylvania Electric Products tag on the metal body: "General Illumination Floodlight, Ser. 185, NAS9-6555, 89-546370-3, MFR 04655." The switch is on one end and has three positions: "Off," "Lo," and "Hi" (positions of increasing brightness). The stress-relief sheathing on the cable is broken at the connection to the lighting assembly.