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New Remedy for Consumption

Hot Air Engine for Egypt

Dake's Improved Sugar Mill

Depressions of the Earth

Invention of the Microscope

Elmer's Machine for Gumming Saws

Patent Claims

A Pleasant Testimonial

A New Gnomon

Inter-Oceanic Canal to the Pacific


Uses of the Potato

Cotton Mills in Saxony

Successful Copper Mining in Australia

Recent Patented Improvements

La France's Improved Throttle Valve

Improved Coal-Burning Locomotive

Machinery Wanted

Wonders of Photography

Extension of Patents by the Commissioner and by Congress

The Agricultural Division of the Patent Office

Groodyear's India Rubber Extension Case

A Good Chance for Inventors

The Duration of Man's Life—A New Idea

What shall we do About Prizes?

Saleratus and Cream of Tartar in Bread

Sulphurous Acid

Burning of the Dead

The Loss of the Ava

Habits of Grasshoppers


Drawing Iron

The British Post Office

Douslass' Railroad Car Spring

Natcher's Millstone Dress


  • Letters

    Correspondents - June 19, 1858

  • Recommended

    Literary Notices - June 19, 1858

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