Improvement in Securing Knob Roses to Doors. Improved Guide for Setting Lumber. Improved Fastener for Shade Roller Cords. Improved flat Ironing Machine. Improved Tool Post for Lathes. Improved Fire Place Grate. Improved Corn Planter. Improved Gun Lock. Improved Compound for Dental Impressions. Improved Hinge. Improved Temporary Binder. Improved Adding Machine. Improved Explosive Compound. Improvement in Indexing. Improved Water Elevator for Wells. Improved Ordnance and Methods of Constructing the Same. Improved Bolt for Middlings Purifiers. Improved Car Coupling. Improvement in Refining Sugar

- Image ID: 2ABWC9E
Improvement in Securing Knob Roses to Doors. Improved Guide for Setting Lumber. Improved Fastener for Shade Roller Cords. Improved flat Ironing Machine. Improved Tool Post for Lathes. Improved Fire Place Grate. Improved Corn Planter. Improved Gun Lock. Improved Compound for Dental Impressions. Improved Hinge. Improved Temporary Binder. Improved Adding Machine. Improved Explosive Compound. Improvement in Indexing. Improved Water Elevator for Wells. Improved Ordnance and Methods of Constructing the Same. Improved Bolt for Middlings Purifiers. Improved Car Coupling. Improvement in Refining Sugar
Penta Springs LLP / Alamy Stock Photo
Image ID: 2ABWC9E
Improvement in Securing Knob Roses to Doors. Improved Guide for Setting Lumber. Improved Fastener for Shade Roller Cords. Improved flat Ironing Machine. Improved Tool Post for Lathes. Improved Fire Place Grate. Improved Corn Planter. Improved Gun Lock. Improved Compound for Dental Impressions. Improved Hinge. Improved Temporary Binder. Improved Adding Machine. Improved Explosive Compound. Improvement in Indexing. Improved Water Elevator for Wells. Improved Ordnance and Methods of Constructing the Same. Improved Bolt for Middlings Purifiers. Improved Car Coupling. Improvement in Refining Sugar. Improved Steam Radiator. Improved Seal Lock. Improved Machine or Cutting Clothes Pins. Improved Lamp Cooking Apparatus. Improved Adjustable Ferrule for Agricultural Implements. Improved Water Wheel. Improved Pocketbook. Improved Beam End Protector., scientific american, 1874-09-11