Scientific American Magazine
Volume 23, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
New Bread
Improved Turn-Table
Magnetism and Diamagnetism
The Leaf-Cutter Bee
Harris' Patent Self-Acting Mashing Machine for the use of Brewers
Patent Metallic Post Butt
The Law of Compensation
Improved Weapons in European Warfare
Who Discovered Nitro-Glycerin
The Uses of Soluble Glass
Saratoga Springs
The Action of Water on Lead, Tin, and Copper
Ninety Degrees in the Shade
Compressed Air as a Motor for Subterranean Railways
Scientific Intelligence- August 13, 1870
Compressed Air, Ammonia, and Rubber vs. Mule Power
The Mitrailleuse
Applications for the Extension of Patents- August 13, 1870
Answers to Correspondents- August 13, 1870
Official List of Patents- August 13, 1870
Recent American and Foreign Patents- August 13, 1870
Departments
Correspondence- August 13, 1870
New Books and Publications- August 13, 1870
Business and Personal- August 13, 1870
