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The Whitworth Projectile

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Bond's Improved Tourniquet

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Reform These Abuses!

The Galvanic Action between Iron and Copper in Vessels

Sewing Machines in Europe

Rockets in Warfare

The New Canadian Patent Bill

Defectively-Designed Boilers

Action of Sulphuric Acid Upon Lead

The Rebel Shot

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May 16, 1863

See the World from a Different Perspective

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