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Improved Steam Plow

Foreign Scientific Intelligence

American Naval Architecture

Electricity and Some of its Practical Applications

Romance of the Steam Engine

The Science of Common Things

Grant's Improvements in Breakwaters

Haine's Improved Leather Driving Strap

Column of Varieties

Good Tools Promoters of Civilization

Breech-Loading Guns and Projectiles

The Origin of Money

The Safety of the Federal City

The Polytechnic Association of the American Institute

American Engineers' Association


  • Letters

    Our Correspondence - February 2, 1861

  • Departments

    Patent Claims - February 2, 1861

  • Notes and Queries - February 2, 1861

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