This is a Heathkit IP-17; it is fully functional. It produces 0 to 400 volts DC at up to 100ma continuously; also has a 0 to 100 volt DC bias supply and 6.3 and 12.6 volt AC sources. All electrolytics and off-value parts have been replaced. Calibrated and tested at full output. Measures about 13.5 x 12 x 6; 16 lbs. Comes with copy of manual.