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Features

A Critic Answered

Fire Protection of Tall Buildings

High Speed on French Railways

Our Naval Constructors to be Educated Abroad

Latest Battleships and Cruisers for the British Navy

Our Relation to the Peace Congress

New System of Wireless Telegraphy

Woehnelt's Electrostatic Current Breaker

The Honey Bee Not a Native of America

A New Hay-Stacker

A Cheap Form of Air-Bath

By Richard K. Meade

The Bundy Acetylene Gas Lamp

Turrets of United States Naval Vessels

A Simple Vehicle Wheel

An Improved Chicken-Brooder

Opening the White Pass and Yukon Railway

By W. M. Sheffield

The Beach Broadway Tunnel

Pneumatic Tube Delivery System at the Waldorf-Astoria Hotel

Rear-Admiral Charles O'Neil, U. S. N

The New Testing Locomotive at Columbia University

By Herbert T. Wade

To Inventors - April 15, 1899

Departments

  • Letters

    Correspondence - April 15, 1899

  • Recommended

    New Books, Etc. - April 15, 1899

  • Departments

    Notes and Queries - April 15, 1899

  • Recently Patented Inventions - April 15, 1899

  • Index of Inventions - April 15, 1899

  • Business and Personal - April 15, 1899

  • Patents - April 15, 1899

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April 15, 1899

Confronting Common Wisdom