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Enactment of the Amendment of United States Patent Statutes

Trying to Put a Quart Into a Pint Cup

Our Agricultural Colleges

Action of Gelatine Upon Glass

New Electromagnet for Magneto-Optic Work

The New Philadelphia Filtration System

By H. D. Jones

The Gorter Water Tower

By H. J. Bennet

The Locke Electric Rock Drill

A Motor-Driven Ice-Boat

Wireless Telegraphy Between Guadeloupe and Martinique

Mechanical Brick-making

The Mills Peruvian Expedition for the Study of Solar Motion

The Current Supplement

The Cause of Thunder Again

Still Another Wireless Telegraphy System

On the Curious Case of Regelation

Completion of the Floor of the New East River Bridge

The Hunter's Point Dry Dock, San Francisco

The Restoration of the Foundations of the "Phil" Temples

By Our London Correspondent

An Armchair Formed By Natural Growth

The Largest Finback Whale

By Walter L. Beasley

New French Submarine Boat

Lloyd's Wreck Returns

Miscellaneous Inventions - March 14, 1903

New Books, Etc.

Departments

  • Departments

    Science Notes - March 14, 1903

  • Correspondence - March 14, 1903

  • Business and Personal Wants - March 14, 1903

  • Recently Patented Inventions - March 14, 1903

  • Notes and Queries - March 14, 1903

  • Index of Inventions - March 14, 1903

  • Patents - March 14, 1903

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March 14, 1903

See the World from a Different Perspective

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