Features
Discoveries and Inventions Abroad
Miscellaneous Summary
Causes of Animal Heat
The Manufacture of Cheese
A Sensible Patent Reference Case
Talbot's Patent Calipers
Economical Advantages of System
The Present and Future of the Cotton Manufacture
Improving Navigable Rivers
The International Steam Fire-Engine Trial
The Lenox Plate-Glass Company
Ice
The Field for Labor
Recent American Patents
Patent Claims
To Our Readers
Departments
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New Books and Publications
Correspondence
Notes and Queries
