This is a used Indus Microfilm Reader, Model 4601, in working condition. The reader has a movable glass carriage with a focus adjustment knob. There is also a high and low brightness and on/off switch. The screen has no scratches and measures 11 inches by 14 inches. The complete reader measures 20 inches high by 20 inches wide and 19 inches deep. The power cord measures six feet. It also comes with a plastic take-up reel, three turn handles and a spare FJX 13.8v - 30w light bulb.