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Features

Report of the Army Board as to the Usefulness of the Lake Type of Submarine Boat for Coast Defense

The Darlington Apartment House Disaster

A Year's Battleships in England

Results of Recent Experiments with N-Rays

Examination of the Emanations Given off by Radium

The Tygard Reciprocating-Cylinder Double-Action Gasoline Motor

The Development of the High-Speed Launch or Automobile Boat

The Japanese Destroyers

The Lesson of the Baltimore Fire

By Day Allen Willey

Two Interesting Animals at the New York Zoological Park

Official Test of the Lake Submarine Boat "Protector"

Queer Hiding Place for Bees

By Helen Lukens Jones

Departments

  • Departments

    Correspondence - March 12, 1904

  • Recently Patented Inventions - March 12, 1904

  • Business and Personal Wants - March 12, 1904

  • Index of Inventions - March 12, 1904

  • Patents - March 12, 1904

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March 12, 1904

Think Outside the Gift Box