‘Patent Model’ historical pictures (exact matches)

Patent model of a sofa bed
Patent model of a sofa bed
Men of Progress
Men of Progress
Corliss’ Patent Model of a Steam Pump – 1876
Corliss’ Patent Model of a Steam Pump – 1876
1851 Singer's Sewing Machine Patent Model
1851 Singer's Sewing Machine Patent Model
Corkhill Ellipsograph Patent Model
Corkhill Ellipsograph Patent Model
Baker and Baldwin Rotary Steam Engine, Patent Model
Baker and Baldwin Rotary Steam Engine, Patent Model
Irwin's Oil Lamp Patent Model
Irwin's Oil Lamp Patent Model
Scheidler and McNamar Throttle Valve, Patent Model
Scheidler and McNamar Throttle Valve, Patent Model