1876 US Patent Model, Engine Valve Gear
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Description
1876 Dated U.S. Patent Model of Engine Valve Gear. Brass construction mounted to wooden base. Detailed model with moving parts. Paper tag reads, "Henry Tessyman Valve Gear for Direct Acting Engine March 7th 1876". Tessyman, of Springfield, Ohio had his patent application approved as # 174,590 but the gear was apparently never produced Good condition, measures: 5" H X 8.75" W X 4.5" D.
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1876 US Patent Model, Engine Valve Gear
Estimate $600 - $1,200
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