Features
Improved Self-Setting Trap, Cuban Machine Agency, and more
The Great Improvements of the Past Nine Years
Recent American Patents
The Best Way to Make Brass Tubes
Broughton's Gage Cock
Another Pneumatic Railway in London
Farmers' Club
Special Notices
Market for the Month
Action of Fluxes
The Lost Arts
Patent Claims
To Our Readers
Patent Agency Office
Departments
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Correspondence
Notes and Queries
