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Features

Improved Vertical Portable Engine, The Place of the Mitrailleur in War

Our Eyes, and How to Take Care of them

Condensed from an article by Henry W. Williams in the Atlantic Monthly.

The Rattan Factories at Wakefield Mass

Condensed from the Boston Commercial Bulletin.

Automatic Toy

Improved Pliers

Combined Tool

Cast Iron Chimney

Perpetual Motion- January 28, 1871

Improved Gate

The Conveyance of Various Fluids through Pipes

Narrow and Wide Gages

Hints to Mechanics

Railroad Litigation

New York Photograph Galleries

Naphthaline and Its Uses

International Industrial Competition

Obituary—Henry Burden of Troy, N. Y.

The Present and the Past

1. Introductory.

Answers to Correspondents- January 28, 1871

Queries- January 28, 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.

Applications for Extension of Patents- January 28, 1871

Recent American and Foreign Patents- January 28, 1871

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

Official List of Patents- January 28, 1871

Issued by the U. S. Patent Office for the Week Ending Jan. 17, 1871. Reported Officially to the Scientific American.

Departments

  • Letters

    Correspondence- January 28, 1871

  • Recommended

    New Books and Publications- January 28, 1871

  • Departments

    Business and Personal- January 28, 1871

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January 28, 1871

Think Outside the Gift Box