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Improved Arastrar or Quartz Crusher and Pulverizer, War Terms and more

Electricity and Some of its Practical Applications

Romance of the Steam Engine

The Science of Common Things

American Engineers' Association

Bradley's Relay Magnet

Column of Varieties

Five Thousand Volunteers Wanted

What Becomes of Wealth?

Cast Iron Rifled Cannon

Working Steam Expansively

The Polytechnic Association of the American Institute


  • Letters

    Our Correspondence - February 9, 1861

  • Departments

    Patent Claims - February 9, 1861

  • Notes and Queries - February 9, 1861

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