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Stow's Non-corroding Water and Gas Pipe

Improved Cotton Press, Boring Machines at the Mont Cenis Tunnel

Washing Shield

Talking Machines

Paint-Pot Holder

Anti-Snoring Device

Perpetual Motion - January 14, 1871

Number VII.

Improved Hitching Post

Merriman's Improved Water-Proof Dress and Life Preserver

Mechanical Power

Object Teaching and Science

The New Commissioner of Patents

The Proposed Fair of the American Institute in 1876

The Failure of the Hon. Oakes Ames

Railroad Progress in the Southern States

Social Science

Queries- January 14, 1871

We present herewith a series of inquiries embracing a variety of topics of greater or less general interest. The questions are simple, it is true, but we prefer to elicit practical answers from our readers...

On Blood and Its Uses

Answers to Correspondents- January 14, 1871

Recent American and Foreign Patents- January 14, 1871

Under this heading we shall publish weekly notes of some of the more prominent home and foreign patents.

Official List of Patents- January 14, 1871

Issued by the U. S. Patent Office. For the Week Ending Jan. 3, 1871. Reported Officially for the Scientific American.


  • Letters

    Correspondence- January 14, 1871

  • Recommended

    New Books and Publications- January 14, 1871

  • Departments

    Business and Personal- January 14, 1871

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