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Features

Our Naval Constructors to be Educated Abroad

A Critic Answered

Our Relation to the Peace Congress

Latest Battleships and Cruisers for the British Navy

High Speed on French Railways

Fire Protection of Tall Buildings

The Honey Bee Not a Native of America

New System of Wireless Telegraphy

Woehnelt's Electrostatic Current Breaker

The Bundy Acetylene Gas Lamp

A Cheap Form of Air-Bath

By Richard K. Meade

A New Hay-Stacker

Turrets of United States Naval Vessels

An Improved Chicken-Brooder

A Simple Vehicle Wheel

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

    Recently Patented Inventions - April 15, 1899

  • Notes and Queries - 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

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