Features
Improvement in Shingle Machines, The Dangers of Ballooning
The Early American Improvements in Printing Presses
A Siphon for Draining a Tunnel
Suspension Bridge over the Missouri River
Restoration of Persons Apparently Dead from Drowning
Premature Burial—Its Probabilities
The Removal of the Tariff on Coal
The Solar Eclipse
A Good Piece of Engineering
The Law of Hydrostatic Pressure
The Albany and Susquehanna Railroad
The Relation of the Diameters of Gearing to Friction
The Proposed Tunnel Under the British Channel
The Light Hydrocarbons
Manufacturing, Mining, and Railroad Items
Answers to Correspondents
Recent American and Foreign Patents
Official List of Patents
Issued by the United States Patent Office
New Publications
Departments
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Correspondence
Business and Personal