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Improved Water Wheels with Adjustable Buckets

Friction-Iron and Wooden Axles

Our Special Correspondence

The Strength of Cast-Iron Columns

Balloons Usefully Applied

"Yellow Jack" Banished from the Crescent City

Sailing of the Arctic Expedition

Volcanoes of the Northwest

A Wonderful Cave

The Working of Steam Engines


Physiology of Reproduction

"The American Windmill

The Safety of Ocean Navigation

What Becomes of the Gold

Thomsons' Improved Finger-Nail Brush

The Great Spike Case

Applications for the Extension of Patents

Reform in Weights and Measures

By E. M. Richards

A Columns of Varieties

The Manufacture of Sugar and Gas in Germany

Currant Wine

Simple Experiments in Natural Magic

Improved Locomotive and Car Wheel

Improved Gas Cooking Stove

Scientific Vs. Practical Instruction

Water Gas

The Age of Invention

The Art of Poisoning



Teaching the Sciences

Recent American Inventions - July 21, 1860

Patent Claims - July 21, 1860

Issued from the United States Patent Office

Useful Hints to our Readers

Money Received

Important to Inventors - July 21, 1860

A Patent Sad-Iron Heater

Patent Valve Cock

"The American Pump

New Prospectus


  • Departments

    Notes and Queries - July 21, 1860

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