Features
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
A Remedy for Small Pox, by One Who Has Tried It
The Electro-Magnetic Telegraph.--Honor to Whom Honor Is Due
Patent Office Decision
Simons' Safety Hold-Back for Carriages
The Effect of Sound in Buildings, as Influenced by Ventilation
Substituting other Vapors for Steam—Vapor of Liquefied Carbonic Acid
Sulphite of Soda as a Remedy for Small Pox
Compulsory Safety Gages—The Steamboat Owners' Protest
Scientific and Practical Information - February 24, 1872
Japanese Native Steel
The Art of Thinking
The Difference between Benzole and Benzine
How Shall I Introduce My Invention?
Recent American and Foreign Patents - February 24, 1872
Departments
- From the Editor
Answers to Correspondents
- Letters
Correspondence - February 24, 1872
- Recommended
New Books and Publications - February 24, 1872
- Departments
Business and Personal - February 24, 1872
Notes and Queries- February 24, 1872
Index of Inventions - February 24, 1872
