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Improved Field Fortification, Naval Observatories, and More

Miscellaneous Summary

American and English Cast-Iron Guns

Scientific Information--British Association for the Advancement of Science

Sage's Yeast Riser

Beam Engines

Mechanics Masters of the World

Greek Fire--Shell and Shot

Educating Youth for Scientific Pursuits

American Wool and Woolen Manufactures

The Ghost on Trial and Patented

Recent American Patents

Patent Claims

Issued from the United States Patent-Office

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October 24, 1863

The Antidote to Anti-Intellectualism