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Features

The Pioneer of the Trans-Atlantic Liner

By Robert G. Skerrett

The Ship-Owners' Point of View, Phantom Limbs and more

The Future of the Archaeologist in Mesopotamia

A Wonderful Field Opened Up to the Explorer

By Edgar J. Banks

Mobilizing a Lady Bug Army to Fight the Aphis

By Horace E. Thomas

Plants that Make Stones

By S. Leonard Bastin

The French Problem of Reconstruction--III

The Practical Methods by Which the Devastated Home, Farm and Industrial Plant Are Being Rebuilt

By C. H. Claudy

Light and Progress

The Part Played by Artificial Illuminants in the Development of the Human Race

By M. Luckiesh

Listening for the Enemy

Sound-Ranging Devices Employed to Locate Hostile Guns, Planes and Submarines

A "Super-Charged" Airplane Engine, Pulling the Trigger by Fluid Pressure and more

By Benjamin S. Foss

World Markets for American Manufactures

A department devoted to the extension of American trade in foreign lands

By Lynn W. Meekins

The Castor Bean and its Many Uses

The Theory of Electro Culture

By Robert D. McCreery

Departments

  • Departments

    Correspondence - May 17, 1919

  • The Motor-Driven Commercial Vehicle

  • The Service of the Chemist

  • New Books, Etc. - May 17, 1919

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May 17, 1919

Think Outside the Gift Box