J.S. Trowbridge & Co. Antique Steelyard Balance Scale Consign Now DeptAmericana and Folk Arts, Collections, Furniture/Decorative ArtsSizeHeight Overall 17 in. Scale Length 17.75 in. J.S. Trowbridge & Co. Antique Steelyard Balance Scale, mounted on a red painted display rack. The scale reads, “J.S. Trowbridge & Co. Wash’n Street Boston” Height Overall 17 in. Scale Length 17.75 in. Please note that this auction has ended. Click here for an overview of this auction.