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La Gloire

American Naval Architecture

Electricity and Some of its Practical Applications

Towers' Patent Broom

Romance of the Steam Engine

Column of Varieties

An Evening at the Polytechnic

Who Ought to be Commissioner of Patents?

Manufacture of Colors

Inventors More Hopeful—Advice Gratis and Advice for Pay

A Newspaper Befogged—Ignorance Concerning Patents—McCormick's Reaper Extension

Productive Consumption of Wealth

The Polytechnic Association of the American Institute

Patent Claims - February 16, 1861

Whipple's Improved Air Engine


  • Letters

    Our Correspondence - February 16, 1861

  • Departments

    Notes and Queries - February 16, 1861

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February 16, 1861

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