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A Standard for Safe Railroad Travel, Comparative Cost of Direct and Single Phase Electrification of Steam Railroads and more

Our Latest Battleship "Pennsylvania"

The Largest, Most Powerful and Best Protected Battleship in Any Navy

The Scott Expedition and Its Tragic End

A Sacrifice Made for Scientific Ideals

Painting the Wonders Under the Sea

An Artist Who Works Under Water

By Charles M. Carroll

What Motor Trucks Have Saved for a Brewer, Cost of Gasoline Truck Service and more

By Jean E. Blaise


  • Departments

    Inventions New and Interesting - February 22, 1913

  • Recently Patented Inventions - February 22, 1913

  • The Motor-driven Commercial Vehicle

  • Notes and Queries - February 22, 1913

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