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Improvement in Sewing Machines

Making Hams

British Association for the Advancement of Science.--No. 1

Photographs and Stereoscopic Angles-The True Theory

Solvents of India Rubber and Gutta Percha

Mechanic's Companion

Spark Arrester Patent

Sawing Logs

Acclimating Animals

Patent Laws

Recipe for Making Gold

Fire Engines

Improved Marking Ink

New Motors

Gold Medals

Silver Medals

Award of Prizes by the American Institute

Bituminous Coal in Texas

How America was Formed; and the Cause of the Flood

Sugar from Honey Dew

A Chance for Inventors

The Cotton Gin

A Stinging Ant

Sectional Plan of the Artesian Well at Charleston

Great Canal Project

Marshall Hall on Consumption

Important Items


New Views Respecting Geology

Heading Cabbages in Winter


  • Letters

    To Correspondents

  • Departments

    Recent Foreign Inventions

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