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The Inventions Of Dr. William Church--The First Patented Typecasting and Composing Machine

"How Much, Then, is a Man Better Than a Sheep"?

German-American War Game

A Refractory Piston Needed

Lightning Strikes the Niagara Power Plant

By Orrin E. Dunlap

Mr. Westinghouse on American Methods in Steel-Making

The Krebs Automatic Carbureter for Gasoline Engines

A Novel Aerial Toy Yacht

The Sandstone Quarries of Ohio

By W. Frank M'Clure

An Old Double-Barreled Cannon

Ventilator

A New Oil Burner

A Cave Used as a Jail

Transporting Lumber across Deep Gorges

Venomous Serpents--I

By Randolph I. Geare

Business and Personal Wants

South America and Her Treasures

By Jack St. Armont

Departments

  • Departments

    Correspondence - February 14, 1903

  • Legal Notes - February 14, 1903

  • Recently Patented Inventions - February 14, 1903

  • Notes and Queries - February 14, 1903

  • New Books, Etc. - February 14, 1903

  • Index of Inventions - February 14, 1903

  • Patents - February 14, 1903

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February 14, 1903

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