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Features

The Rewards and Penalties of Polar Exploration, Multiple Engines for Passenger-carrying Aeroplanes and more

G. Stanley Hall

An American Leader in the Science of Human Nature and Its Education

By Edward L. Thorndike

Drawing Maps from Nature

The plane-Table and its use

By C. H. Claudy

The Total Solar Eclipse of 1911

The Moon's Shadow Traces a Course from Australia to Central America

By Frederic R. Honey

Science in the Current Periodicals

In this Department the Reader will find Brief Abstracts of Interesting Articles Appearing in Contemporary Periodicals at Home and Abroad

Battleship versus Destroyer

The Struggle Between the Big Gun and the High-speed Torpedo

The Gordon Bennett International Aviation Trophy

By Earle L. Ovington

A New Aeroplane Passenger-carrying Record

Louis Breguet's Feat of Transporting 11 People 3 Miles Across Country. Description of the Machine

How to Rebore a Crank-pin Hole in a Locomotive Driving-wheel

By H. D. C

An Adjustable Rose Reamer

By C. S. Bourne

A Novel Pipe Wrench

By O. Ruehmer

Removing a Broken Handle from an Ax Head

By W. D. Graves

Light Fixture for a Shipping Room

By Albert Mayoh

Removing Old Boiler Tubes, A Handy Drill Socket and more

By A. F. Bishop

Direct-Indirect Lighting Fixtures, Fan on Grinder Spindle and more

By A. R. Van der Veer

The Inventor's Department - April 22, 1911

Simple Patent Law; Patent Office News; Inventions New and Interesting

Lakes Tipped by Winds, Aeronautics

Departments

  • Letters

    Correspondence - April 22, 1911

  • Recommended

    New Books, Etc. - April 22, 1911

  • Departments

    Recently Patented Inventions - April 22, 1911

  • Notes and Queries - April 22, 1911

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April 22, 1911

Think Outside the Gift Box