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Improved Stone-Sawing Machinery

Thermo-Diffusion--A New Physical Phenomenon

Two Personalities in One Person

Practical Information for Practical Men

Workmen and Their Instructors

Born Scientists

Educated Farmers

Combined Knife and Tape Line

A New Oil Cup

Improved Apparatus for Lining Insoles of Boots

New Combination Tool for Sewing Machines

Improved Construction of Stables

A Paper Egg Cup

A Simple Dividing Machine

Notes on the Resistance of Materials

Chemicals at the Centennial

The American Social Science Association

A New Steam Engine

The Original Steam Steering Apparatus

The Honey Buzzard

Chain Gear and Fastenings

New Mechanical and Engineering Inventions - September 23, 1876

Recent American and foreign Patents - September 23, 1876

New Household Inventions - September 23, 1876

New Woodworking and House and Carriage Building Inventions - September 23, 1876

New Agricultural Inventions - September 23, 1876

Communications Received - September 23, 1876

The Validity of Patents - September 23, 1876


  • Letters

    Correspondence - September 23, 1876

  • Recommended

    New Books and Publications - September 23, 1876

  • Departments

    Notes and Queries - September 23, 1876

  • Business and Personal - September 23, 1876

  • Index of Inventions - September 23, 1876

  • Patents - September 23, 1876

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis