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Improved Ditching Machine

The War

Recent American Inventions

The Shrapnell Shell and Fuse

The Conduct of Our Soldiers

Ketchum's Reaping Machine—Refusal of Extension

Fires—A Stupid Neglect in English Railway Management

General Scott Not Too Blame

Electricity for Exploding Gunpowder


How Ship Armor Plates are Made

Rifle Shooting in England

The Comet

Patent Claims - August 10, 1861

To Our Readers

Instructions about European Patents


  • Letters

    Correspondence - August 10, 1861

  • Departments

    Notes and Queries - August 10, 1861

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End of Summer Sale

End of Summer Sale