Lot of 5 Antique Ashton Valve Co Brass 4lb Deadweight Tester Weights For Sale

Up for sale is a rare, matching lot of five (5) antique solid brass deadweight tester calibration weights manufactured by the historic Ashton Valve Company of Boston, Massachusetts.These beautiful steam-era artifacts are highly sought after by industrial tool collectors, railroad enthusiasts, and maritime history hobbyists. They also make incredible, heavy-duty industrial paperweights or desk decor.Key Features & Specifications

• Quantity: 5 matching weights.
• Markings: "THE ASHTON VALVE CO. BOSTON, MASS. U.S.A."
• Dual Calibration: Marked 4 LBS. AVDP. (actual weight) and 20 LBS. SQ. IN. (tester pressure).
• Material: Heavy, solid brass.
• Design: Interlocking stackable discs with a central alignment hole.

Condition Report

• Authentic Patina: Beautiful, untouched vintage coloration.
• Never Polished: Left uncleaned to preserve maximum historical value.
• Clear Text: Lettering is crisp and easily readable on all pieces.
• Minor Wear: Normal cosmetic marks from historical industrial use. No cracks.