This is a rare and valuable unit from General Radio Company, a reputable manufacturer known for producing high-quality test meters and detectors. The Naval Megohm Bridge is a versatile device that can measure resistance and insulation levels accurately. It is a vintage unit, made in the United States during a time when quality was a top priority. This unit can be a great addition to any collector's or technician's arsenal. It comes with all the original parts, and it has been professionally cleaned and tested to ensure that it is in good working condition. Don't miss out on this opportunity to own a piece of history and add value to your collection or workshop. General Radio Company Type 544-B Megohm Bridge US Navy tagged. Great looking classic megohm bridge comes as you see here in original wooden box with Stanley handle. Very well kept flip open lid with a clean diagram and face inside. Smooth dials and snapping switches. Perfect for military or electrical collectors. Sold as is. Buyer pays return shipping. More items available in our store. Inventory updated daily. REMOVAL OF SECURITY TAGS WILL VOID ALL WARRANTIES, RETURNS, AND REFUNDS Made in the USA Serial Number 3866 USN ID 419-010837