This vintage H-B Instrument Co. Type TR 10 Thermo Regulator is a unique addition to any collection. Made of glass and metal.

With its United States origin, this item is a great piece of history to display. The Brand aspect of this item is H B Inst. Co. and the Material aspects are Glass and Metal. It is being sold for parts or not working, making it a perfect item for someone who enjoys the beauty of vintage instruments. Add this to your collection today!