IN 1857 HE CONSTRUCTED ALL THE THE BALANCE SCALES FOR THE U.S. MINT. HE SOON BRANCHED OUT TO ALL KINDS OF SCALES. HIS FIRST MAJOR FACTORY WAS BUILT IN 1862 AND SOON AFTER HE STARTED MAKING THIS MODEL SCALE FOR THE CHEMISTRY AND PHARMACEUTICAL MARKETS.
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Antique Hoggson & Pettis Ball Bearing Wide Steel Seam Pressure Roller Tool USA
Manufacturer: The Hoggson and Pettis Mfg. Co. (New Haven, Conn. Distinctive Feature: Features an integrated internal steel ball bearing system which allows the wheel to spin freely under intense downward manual body pressure. ).