Features
The Celebrated Crosse Experiments
Railway Carriages in Different Parts of the World
The Toad as an Entomologist
Smith's Improved Corn Sheller
The Ejector Condenser
How Trains are Moved by Telegraphic Signals
A Prize for Everybody
The Manatee: The Human Fish
A Remedy for Strikes
The Suez Canal
The Asserted Superiority of the Right Hand
Causes and Prevention of Fires.—The Metro-Politan Fire Department
The Rights of the Government and Patentees
The Spanish Gunboats
Men of Progress: —Celebrated American Inventors
New Publications
Announcement for 1870.—A Splendid Work of Art and Cash Premiums to be Given
Report of the Judges of Department of Steam Engineering at the American Institute Fair
Recent American and Foreign Patents
Patent Decision
Answers to Correspondents
Official List of Patents
Departments
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Correspondence
Business and Personal
