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White's Governor Valve
Vexatious Delays in Issuing Patents
To Our Readers
The Way the Great Eastern was Saved
The Russo-American Telegraph Question
The Polytechnic Association of the American Institute
The New Mode of Locomotion
The New Iron-Clad Steamer for Our Navy
The Metal for Iron-Clad Ships
The Disaster to the Great Eastern
The American Conflict—False Accusations
Testing Iron for Sheathing Gunboats
Steam Carriages for Railways
Recent American Inventions
Prof. Calvert on English Oak and Wood Used for Shipbuilding
Patent Claims - October 26, 1861
Issued from the United States Patent Office
Mexican Method of Extracting Silver from Ores
Fifteen Thousand Patents Secured through Our Agency
Dethridge's Oval Lamp Chimney
Dangers and Safety of Coal Oil
American, English and Whitworth Rifles Described and Contrasted
A Steam Car—Economical Railroading
Letters to the Editors
Correspondence - October 26, 1861
Notes and Queries - October 26, 1861
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