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Improved Self-Setting Trap, Cuban Machine Agency, and more

Reduction in Terms

The Great Improvements of the Past Nine Years

Recent American Patents

Another Pneumatic Railway in London

The Best Way to Make Brass Tubes

Broughton's Gage Cock

Farmers' Club

The Lost Arts

Action of Fluxes

Market for the Month

Special Notices

Patent Claims

To Our Readers

Patent Agency Office


  • Departments


  • Notes and Queries

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