Scientific American Magazine
Volume 26, Issue 13You are currently logged out. Please sign in to download the issue PDF.
Features
Collecting and Removing Scums from Boilers
Bridge Over the Mississippi, at Brainerd, Minn.—Northern Pacific Railway
A Navigable Balloon
The Parkes Silver Extracting Process in Germany
Rotary Engines
Determination of High Degrees of Heat by the Melting of Ice
Precipitation of Arsenic by Heat in Marsh's Test
Hallidie's Wire Rope Way for Transporting Ores
Scientific and Practical Information
Beach's Spark Catcher and Consumer
Ketchum's Pitman Connection
Himmer's Electric Battery
The Problem of Flight
Light Versus Heavy Shafting
The Electro Magnetic Telegraph
Recent American and Foreign Patents
Departments
New Books and Publications - March 23, 1872
Correspondence - March 23, 1872
Business and Personal - March 23, 1872
Notes and Queries - March 23, 1872
Answers to Correspondents - March 23, 1872
Index of inventions - March 23, 1872