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Hudson River Bridge or Tunnel--Which?, Our Merchant Fleet and Free Ports and more

Reorganizing the Port of New York

Port Commission Plan for Modernizing the Railroad and Shipping Facilities of New York

Better Railway Ticket Selling, Rats and Canvas

By Ralph Howard

Outwitting the French Customs

By George F. Paul

From the Einstein Contest--IV

The Principle of Relativity--A Statement of What It Is All About, in Ideas of One Syllable By Shinglewood (Hugh Elliot, Chislehurst, Kent, England)

The Balky Motor

Some of the Things to Look for When the Automobile Refuses to Do Its Duty

By Victor W. Pag

Canada's New Parliament Buildings

Some of the Architectural Features of Ottawa's Legislative Halls, Now Under Construction

By J. H. Armstrong

The Romance of Invention--XX

Thomas Alva Edison --the Man Whose Name Stands for American Invention

By C. H. Claudy

Making a Forest to Order

An European Innovation in Preparing the Soil for the Trees Which It Is to Support

By Henry Vendelmans


  • Departments


  • The Motor-Driven Commercial Vehicle

  • Recently Patented Inventions

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