Volume 24, Issue 1
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Features
Improved Chimney Cleaner
Machine for Oiling Wool
Perpetual Motion
Carbureted Hydrogen Gas
Automatic Telegraphy
Dr. Doremus on the Triumphs of Science
American Institute Lectures.--The Struggles of Science
Six Months of Progress in Engineering
The Solar Eclipse of 22nd December, 1870
Progress of Chemical Science
Fatal Explosion of a Gasoline Reservoir--A Warning to Mechanics
The Uses of Dissociation
Standard Public Time
Testing the Strength of Boilers by Steam Pressure
Scientific American 1871
Answers to Correspondents- January 1, 1871
Queries- January 1, 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.
Harvey Brown
Recent American and Foreign Patents- January 1, 1871
Under this heading we shall publish weekly notes of some of the more prominent home and foreign patents.
Official List of Patents- January 1, 1871
Issued by the U. S. Patent Office for the Week Ending December 20, 1870. Reported Officially for Scientific American.