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Features

Gardner's Pocket-Knife

Improved Carbine

Fairbairn on Steam Boiler

Some Effects of Magnetism Illustrated

Miscellaneous Summary

Improvement in the Bessemer Process

Breech-Loading Repeating Rifles

Mechanical Inspirations

Irregular Action of Gunpowder

Cast-Iron Boilers

The Defense of New York Harbor

One Thing to Make For the Sanitary Commission

Not in Anger

The Hecker and Waterman Experiments

Patent Claims

Issued From the United States Patent-Office for the Week Ending July 26, 1864

To Our Readers

Special Notices

Perfumery

Photographic Items

Departments

  • Insecurity of Life in English Cars

  • Notes and Queries

  • Departments

    Correspondence

  • Patents

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August 06, 1864

See the World from a Different Perspective

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