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Alternative Plans for the Panama Canal

The Preparation of Surfaces for Painting

An Attack on the Wire-Wound Gun

Electricity and Bread

Science Notes - June 3, 1905

Electric Mail Automobiles

Electric Dead Reckoner Used on “Valhalla” in the Ocean Race

The Graphic Chronometer

By Emile Guarini

History and Present Status of the Panama Canal

The Grubb Gun-Sight

The Algiers-Toulon Motor-Boat Race

By the Paris Coeeespondent of the Scientific American

An Unusual Incident of Cable Work

By Edgar Russell

Do Animals Reason?

By Nelson R. Briggs

A Puncture-Proof Tire

Patent Department

Improved Dumping Car

An Improved Ditching Machine

Business and Personal Wants


  • Departments

    The Heavens in June - June 3, 1905

  • Correspondence - June 3, 1905

  • Recently Patented Inventions - June 3, 1905

  • Notes and Queries - June 3, 1905

  • Index of Inventions - June 3, 1905

  • Patents - June 3, 1905

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June 03, 1905