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A Strong Room for Valuables

How Some Mountain Gaps Have Been Formed

The Woodbury Planer War

Surface Adhesion

American Inventions Re-Discovered in Europe

Scientific and Practical Information - November 13, 1875

Man as an Automaton

Expansion and Contraction by Moisture

A New Patent File

The Proposed Refrigerator Steamer

Lubricating Device for Sewing and other Light Machines

A New Propeller

Ancient War Engines

Flasks for Liquid Carbonic Acid

Laying off a Square

Hale's Duplex Water Elevator

Improved Odorless Water Closet

Production of Heat and Light

The Yucca Stricta

Miscellaneous Useful Inventions

Professor Bunsen's New Apparatus and Battery for Spark Spectra

New Agricultural Inventions - November 20, 1875

Recent American and Foreign Patents - November 20, 1875

New Mechanical and Engineering Inventions - November 20, 1875

New Chemical and Miscellaneous Inventions - November 20, 1875

New Household Articles - November 20, 1875

Canadian Patents - November 20, 1875

Communications Received - November 20, 1875


  • Recommended

    New Books and Publications - November 20, 1875

  • Departments

    Business and Personal - November 20, 1875

  • Notes and Queries - November 20, 1875

  • Index of Inventions - November 20, 1875

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November 20, 1875

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