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Features

Hydraulic Cow Milking Machine

The Chemistry of Tobacco

Editorial Correspondence

The Manufacture of French Leather

The Watch--Its History and Manufacture

By H. F. Piaget

Morse's Plan for Centering and Packing Bobbins

The Excelsior Grinder for Mowing and Reaping Machines

Hilbert's Self-Acting Lubricator

Manufacturing Mining, and Railroad Items

Recent American and Foreign Patents

Extension Notices

A Remarkable Gas Well

The Principle of the Giffard Injector

Pacific Railroad Progress

History of the Watch

Is There Any Thing New Under the Sun?

Official Report of Patent and Claims

Issued by the United States Patent Office

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May 02, 1868

Think Outside the Gift Box