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Features

The Manufacture of Zinc and Zinc White, How to Search for Metals, and more

Medical Practice in Early Times

The Death of Liebig

Leaping by Machinery

The Horse Power and the Power of the Horse

Important Decision in Respect to Assignments

Loss of the Polaris

Chemical Heat Indicators

Scientific and Practical Information

The Falling of the Dixon Bridge

Improved Metallic Stuffing Box

Electric Railway Signal

Judson's Patent Lathe Chuck

Hat and Coat Hook

The Wonders of the Egg--III

By LEOTUBJ and professor agassiz

Stevens Institute Lectures--Dyeing and Calico Printing

By Charles F. Chandler

Sanitary Notes--Flavoring Substances for Food and Drink

Iron Bridge Construction

Decisions of the Courts - May 24, 1873

United States Circuit Court--District of California, Ninth Judicial Circuit

Patent Office Decisions - May 24, 1873

Recent American and Foreign Patents - May 24, 1873

Answers to Correspondents - May 24, 1873

Communications Received - May 24, 1873

Departments

  • Departments

    Correspondence - May 24, 1873

  • New Books and Publications - May 24, 1873

  • Notes and Queries - May 24, 1873

  • Business and Personal - May 24, 1873

  • Index of Inventions - May 24, 1873

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Know Before You Vote