GEARED MIXING MACHINE PATENT MODEL
263. GEARED MIXING MACHINE PATENT MODEL
American, circa 1879. Substantial metal patent model featuring an open rectangular mixing hopper mounted on a cast iron frame, with exposed gear wheels, connecting shafts, and a hand-operated mechanism. Retains original Patent Office identification tags referencing Patent No. 218,581 and Piqua, Ohio. Accompanied by Cliff Petersen Collection documentation certifying its Patent Office origins. | 11" l. | (Excellent Condition) | $600 - $1,200
Condition
(Excellent Condition)
263. GEARED MIXING MACHINE PATENT MODEL
American, circa 1879. Substantial metal patent model featuring an open rectangular mixing hopper mounted on a cast iron frame, with exposed gear wheels, connecting shafts, and a hand-operated mechanism. Retains original Patent Office identification tags referencing Patent No. 218,581 and Piqua, Ohio. Accompanied by Cliff Petersen Collection documentation certifying its Patent Office origins. | 11" l. | (Excellent Condition) | $600 - $1,200
Condition
(Excellent Condition)