Volume 24, Issue 5
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Features
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
Combined Tool
Improved Pliers
Cast Iron Chimney
Perpetual Motion- January 28, 1871
Improved Gate
Narrow and Wide Gages
Hints to Mechanics
The Conveyance of Various Fluids through Pipes
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.
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.
Answers to Correspondents- January 28, 1871
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.