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Improved Breech-Loading Cannon, The Muzzles of Rifles and Rifled Cannon

Change of Mail Day

The War

Historical Sketch of Firearms in Europe

Union and Secession

New Military Work

T-Rail Shellproof Gunboats

Cotton and the War

Rifling Old Smooth-Bore Cannon

Shot and Shell

Opinions about Learning to Shoot—The Position

Opinions of the Twist and Proportions of Rifles

Recent American Inventions

Patent Claims - June 1, 1861

To Our Readers


  • Letters

    Correspondence - June 1, 1861

  • Departments

    Notes and Queries - June 1, 1861

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