Scientific American Magazine Vol 26 Issue 9

Scientific American Magazine

Volume 26, Issue 9

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Features

Improved High Pressure Alarm

Mining Speculation--Something as Applicable to New York as to London

Lecture Theater Buildings at South Kensington

Patent Crocheted Caps, for Infants

Coloring Seeds for Sowing

Patent Office Decision

The Electro-Magnetic Telegraph.--Honor to Whom Honor Is Due

A Remedy for Small Pox, by One Who Has Tried It

Simons' Safety Hold-Back for Carriages

Substituting other Vapors for Steam—Vapor of Liquefied Carbonic Acid

Compulsory Safety Gages—The Steamboat Owners' Protest

Sulphite of Soda as a Remedy for Small Pox

The Effect of Sound in Buildings, as Influenced by Ventilation

The Difference between Benzole and Benzine

The Art of Thinking

Japanese Native Steel

Scientific and Practical Information - February 24, 1872

How Shall I Introduce My Invention?

Recent American and Foreign Patents - February 24, 1872

Departments

Correspondence - February 24, 1872

Business and Personal - February 24, 1872

Notes and Queries- February 24, 1872

Answers to Correspondents

Index of Inventions - February 24, 1872

New Books and Publications - February 24, 1872