This lot is closed for bidding. Bidding ended on 4/10/2025
[PATENT MODEL]. Cast Iron and Brass Model of a Box-Bed Steam Engine with an Improved Cut-Off Valve. [U. S. Patent Office, ca. 1830-1880]. Model of a steam engine with cut-off valve. 11 ½ x 7 x 6 ¾". Rusted, wooden base missing, moving parts do not seem to move. Good. With printed COA of the United States Patent Model Foundation with embossed stamp. Patent number or inventor unknown.