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New Method of Docking and Excavating Canals and of Reclaiming Waste Land

The Wonderful Regions of the West

Pneumatic Machinery for Bridges

"Greenbacks" and Postage Stamps

Number II

The Use of Sulphurous Acid in Distilleries

Improved Ore Separator

Coffee Washing Machine

How Do We Take Cold?

American Inventors in Austria

Interoceanic Canal

Efforts in Germany to Prevent Emigration

Animal Heat and Disease

Develope Your Inventions


Molding Sand for Iron Founderies

Copies of Patents - October 12, 1872

Edmund Henry Knight

The Fair of the American Institute

Recent American and Foreign Patents - October 12, 1872

To Investors - October 12, 1872

Practical Hints to Inventors - October 12, 1872


  • From the Editor

    Answers to Correspondents - October 12, 1872

  • Letters

    Correspondence - October 12, 1872

  • Recommended

    New Books and Publications - October 12, 1872

  • Departments

    Notes and Queries - October 12, 1872

  • Business and Personal - October 12, 1872

  • Index of Inventions - October 12, 1872

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