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Commercial and Military Value of the Intra-coastal Waterway, State vs. National Control of Public Forests and more

Automobiles and Improved Roads

The Economics of Motor Traffic and of Highway Construction

By Logan Waller Page

Efficiency in Learning

A Practical Result of Experiment Pedagogy

By P. R. Radosavljevich

Emergency Repairs to a Destroyer, A Railway in Iceland and more

By J. F. Hellweg

Patents and Modern Industrial Conditions

The Stimulus of Patent Protection

By Frederick P. Fish

St. Lawrence Ship Channel Improvements

Constructing a 35-foot Channel Between Montreal and Quebec

By Harry Chapin Plummer

The Cape Cod Canal

Saving Seventy Miles of Distance and Three Days of Time in Carrying 25,000,000 Tons of Freight

Can a Plant Feel Pain?

By S. Leonard Bastin

The Winnipeg Tractor Trials

Sixth Annual Event Shows Farmers Ready for General-purpose Engines

By L. W Ellis


  • Recommended

    New Books, Etc. - September 6, 1913

  • Departments

    The Heavens in September 1913

  • Inventions New and Interesting

  • Recently Patented Inventions - September 6, 1913

  • Notes and Queries - September 6, 1913

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