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Improved Patent Stench Trap, Glycerine in Surgery, and more

The Whitworth Projectile

Valuable Receipts

Bond's Improved Tourniquet


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

Recent American Patents

Patent Claims

Issued from the United States Patent Office

Discoveries and Inventions Abroad

To Our Readers


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  • Notes and Queries

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May 16, 1863