Volume 4, Issue 13
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Features
The Chemical History of a Candle
Romance of the Steam Engine
American Engineers' Association
Our Navy
Column of Varieties
Six Good Reasons Why Every Manufacturer, Mechanic, Inventor and Artizan Should Become a Patron of the Scientific American
Cotton and Its Supply
Measuring Light
History of the Art of Knitting
The Way Banks Evade the Usury Laws
The Polytechnic Association of the American Institute
Patent Claims - March 30, 1861
Issued from the United States Patent Office
Change in the Patent Laws - March 30, 1861
New Arrangements—Patents Granted for Seventeen Years
Semi-Steel
Rates of Advertising
Prospectus of the Scientific American
The Best Mechanical Paper in the World Seventeenth Year