Volume 18, Issue 18
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Features
The Chemistry of Tobacco
Editorial Correspondence
The Manufacture of French Leather
The Watch--Its History and Manufacture
The Excelsior Grinder for Mowing and Reaping Machines
Morse's Plan for Centering and Packing Bobbins
Hilbert's Self-Acting Lubricator
Recent American and Foreign Patents
Manufacturing Mining, and Railroad Items
Extension Notices
Pacific Railroad Progress
A Remarkable Gas Well
The Principle of the Giffard Injector
Is There Any Thing New Under the Sun?
History of the Watch
Official Report of Patent and Claims
Issued by the United States Patent Office