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Features

Improved Ditching Machine

The War

Recent American Inventions

The Shrapnell Shell and Fuse

Ketchum's Reaping Machine—Refusal of Extension

The Conduct of Our Soldiers

Electricity for Exploding Gunpowder

Fires—A Stupid Neglect in English Railway Management

General Scott Not Too Blame

How Ship Armor Plates are Made

The Comet

Rifle Shooting in England

Malaria

Patent Claims - August 10, 1861

Instructions about European Patents

To Our Readers

Departments

  • Letters

    Correspondence - August 10, 1861

  • Departments

    Notes and Queries - August 10, 1861

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