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Features

Combined Atlas and Blackboard, Ventilating Ships, and more

Miscellaneous Summary

How Sugar is Made From the Cane

Polytechnic Association of the American Institute

Obstructions of Charleston Harbor

Waste

Faulty Construction of Steam Boilers

A New Method of Locomotion

Water and Steam Cocks

Special Notice

Capt Ericsson's Wrought-Iron Gun

Recent American Patent

Patent Claims

Issued From The United States Patent-Office

Patents Granted for Seventeen Years!

Rates of Advertising

The Cheapest Mode of Introducing Inventions

Valuable Work for Inventors Patentees and Manufacturers

Improved Rotary Harrow, Improved Box Plane

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April 09, 1864

Reanimate Your Brain

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