This vintage KNIGHT Universal Auto Analyzer KG-375A is a must-have for any collector of vintage electronic equipment. Made in the United States, this diagnostic tool is a true gem for those interested in the history of electronic medicine. The brand, KNIGHT, is well-known for producing high-quality medical equipment, and this model is no exception. With its unique abilities, the KG-375A is a valuable addition to any collection of vintage electronics. Its functionality is sure to spark conversations and provide a glimpse into the past. Don't miss out on this opportunity to own a piece of history. Very clean. Untested