Scientific American Magazine
Volume 21, Issue 19You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Time Register for Velocipedes, Etc, Improvement in Mill Bushes, and more
The French Atlantic Telegraph
Charles Reade on “Life Labor and Capital”
Spanish Protestant Church Proposed to be Built at Madrid
Railway Plant—Sleepers, Ties, and Clips
The Manufacture of Sulphuric Acid
Improvement in Bits for Horses
Heat from the Moon
On the Supposed Action of Light on Combustion
Improvement in Detachable Calks for Horse-Shoes
The Measurement of Heat with the Thermometer
A New Method of Setting Tires
The Education of the Hand
Depression in American Commerce
Close of the Fair of the American Institute
Applications for Extension of Patents
Recent American and Foreign Patents
Answer to Correspondents
Manufacturing, Mining, Railroad Items
Official List of Patents
Departments
Correspondence
Business and Personal