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Holwell's Fire-Escape

Our Special Correspondence

Our Washington Correspondence

The Firing of Furnaces

Simple Experiments in Natural Magic

Who Gets the Patent Office Reports?

A Simple Apparatus for Illustrating the Atomic Theory

Compensating Pendulums


The Conductibility of Metals and Their Alloys for Heat

Extensions of Patents by Congress

Reform in Weights and Measures

By E. M. Richards

Mining Machinery-A Voice from El Dorado

A Novel Hot-Air Bath

Agricultural Science-The Cattle Disease

A Column of Varieties

Polytechnic Association of the American Institute

Improved Railroad Car Brake

The New Atlantic Telegraph

The "Great Eastern" Open to the Public

The Death of Charles Goodyear

Jones' Burner for Coal-Oil Lamps

The Rights of Joint Patentees

Patent Claims - July 14, 1860

Money Received

Useful Hints to our Readers

Important to Inventors - July 14, 1860

New Books and Periodicals Received - July 14, 1860

Howells' Improved Trip-Hammer

New Bench Plane


  • Departments

    Recent American Inventions

  • Notes and Queries - July 14, 1860

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