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Tanning Apparatus

The Geological History of North America

By Stevens

Wringing Machine--Washing Machines for the Army

Hardening and Tempering Tools and Metals

Notes on Military and Naval Affairs

Notes on Shipbuilding and the Construction of Machinery in New York and Vicinity

A Few Words to Our Subscribers on the Closing Volume

War With England

The Chemistry of Iron

The Old Year's Progress

Spherical Shot vs. Elongated Projectiles

Adjustable Pipe Wrench

War and Science

Patent Claims

Recent American Inventions

New York Markets

To Our Readers


  • From the Editor

    To Our Friends

  • Notes and Queries

  • Letters

    Correspondence - December 28, 1861

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December 28, 1861

Science for the Modern World