Scientific American Magazine
Volume 26, Issue 16You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Method of Propelling Canal boats
The Remington Works Ilion, NY
Diamond Cutting in New York
The Baltimore Boiler Inspection Law
Fastenings for Neck Ties, Scarfs, Etc.
Measuring the Velocity of Rotation
The Discovery and History of the Chromosphere
Inextinguishable Signal Light
Combined Cast Iron and Wrought Iron Arch Girders
Heard's Ventilating Hat
Frictional Gearing - April 13, 1872
Scientific and Practical Information - April 13, 1872
Umbrella Frames
Proposed City Railroad
The Great Sewing Machine Job before Congress
Death Of Samuel F. B. Morse
Sewing Machines and their Effect Upon Health
A Trades Union Tirade
Spiritualism Answered by Science
Lightning Rods
Recent American and Foreign Patents - April 13, 1872
Departments
New Books and Publications - April 13, 1872
Notes and Queries - April 13, 1872
Business and Personal - April 13, 1872
Answers to Correspondents - April 13, 1872
Index of Inventions - April 13, 1872
