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The Reclamation of the New Jersey Meadows

Shade Trees for the Harlem Speedway

The Green Cross

The Nicaragua Canal

Schemes for Checking Returned Newspapers

A Rapid Transit Tunnel between New York and Brooklyn

Our New Torpedo Boats

The Modern Version of Supply and Demand

A Handy Note Book Holder

A Horseless Fire Engine

An Improved Friction Clutch System

A Portable Electric Drilling Machine

The Harlem River Speedway, New York City

The Stability of the Battleship Indiana

The Sword Walker

By William B. Caulk

To Inventors - February 13, 1897


  • Letters

    Correspondence - February 13, 1897

  • Recommended

    Recently Patented Inventions - February 13, 1897

  • New Books and Publications - February 13, 1897

  • Departments

    Index of Inventions - February 13, 1897

  • Notes and Queries - February 13, 1897

  • Business and Personal - February 13, 1897

  • Patents - February 13, 1897

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February 13, 1897

Of Shamrocks and Science

Happy St. Patrick’s Day