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Features

The Manufacture of Covered Buttons

Sargent's Case

Thiers and Contemporary Science in France

Progress of Hardened Glass Making

Dr. Thomson on Embryology and Evolution

Is Life a Mode of Motion?

New Process for Electro-Plating

The Torpedo Defense Question

The Electro-Silicic Light

Improved Vertical Gas Engine

New Registering Thermometer

Science at the British Association

New Hoisting Clamp for Building Stone

Improved Ball Check Valve for Sewers

Improved Needle Clamp for Sewing Machines

Sherwood's Automatic Tea and Coffee Pot

How to Prevent Grasshopper Raids

The Woodruff Scientific Expedition Steamer Ontario

The Lontin Magneto-Electric Machine

American Borax Production

New Mechanical and Engineering Inventions

New Miscellaneous Inventions

Recent American and Foreign Patents

New Household Inventions

New Agricultural Inventions

New Woodworking and House and Carriage Building Inventions

Communications Received

Departments

  • Departments

    New Books and Publications

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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