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Features

Improved Apparatus for Tanning Leather, Hard on Evans, and more

Improved Door and Shutter Bolt

Electrolytic Insulation

The Excursion of the Boston Board of Trade over the Pacific Railroad--The Pullman Palace Cars

Hickman's Hand Corn Planter

Transpiration in Plants

Weatherhead's Dividers

The Mantis

The Carp Enter Self-Heating Fluting Machine

Artificial Stone--The Sorel Process

Effect of Artillery Discharges upon Weather

Smoke Consumption

Progress in the Manufacture of Colors

Scientific Intelligence- October 22, 1870

Portable Dwelling Houses

Applications for the Extension of Patents- October 22, 1870

Fair of the American Institute- October 22, 1870

Recent American and Foreign Patents- October 22, 1870

Answers to Correspondents- October 22, 1870

Official List of Patents- October 22, 1870

Departments

  • Letters

    Correspondence- October 22, 1870

  • Recommended

    New Books and Publications- October 22, 1870

  • Departments

    Business and Personal- October 22, 1870

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