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A One-Needle Family Knitter, Determinations of Free Oxygen, and more

Facts About Gas for the People

Skill, Invention, and Property in Patents and Books

By Horace Greeley

Rockwell's Overdraw and Compression Bit

Adjustable Spirit Level Plumb and Inclinometer

Improvement in Window Sashes

Improved Horseshoe Clincher

Cornish Pumping Engines

By H. P. M. Birkinbine

Architectural Engineering

The Claims of Genius

Property in Patents and Copyrights

Death of a Distinguished Editor

Cheap Iron Fences

Testing Steam Engines

New Publications

The Present Status of Medical Science

Answers to Correspondents

Recent American and Foreign Patents

Applications for Extension of Patents

Official List of Patents


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July 03, 1869

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