‘Patent Model’ historical pictures (exact matches)

Men of Progress
Men of Progress
1850 Robinson's Patent Model of a Sewing Machine
1850 Robinson's Patent Model of a Sewing Machine
Ericsson Hot-Air Engine, Patent Model
Ericsson Hot-Air Engine, Patent Model
Model Room, Patent Office
Model Room, Patent Office
1852 Avery's Patent Model of a Sewing Machine
1852 Avery's Patent Model of a Sewing Machine
Plunger Propulsion, Patent Model
Plunger Propulsion, Patent Model
Ericsson Steam Engine, Patent Model
Ericsson Steam Engine, Patent Model
Fiske Oscillating Engine, Patent Model
Fiske Oscillating Engine, Patent Model