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Features

Dumping Conveyor at the Brakpan Gold Mines, The Kodak Film Decision, and more

A Real Lifeboat

By Robert G. Skerrett

Enlarging and Reducing Phonograph Records

By R. Arapu

The Rise in Prices and the Increased Cost of Living

Changes in Leading Manufacturing Countries of the World During the Period 1900-1912

By John B. C. Kershaw

The Biggest Bird that Ever Lived

By R. W. Shufeldt

The Decision in the Kodak Film Case, A Bottle-stopper that Locks

Kinematographing the Matterhorn

A Daring Ascent in a Feat of Endurance With Weighty Apparatus

The Problem of Our Navy- March 21, 1914

IV.--The Price We Pay for Self-sufficiency and Unpreparedness By the Editor

The 200 Horse-power Curtiss Motor for the Rodman Wanamaker Transatlantic Flyer, The Next Road Congress, and more

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    March 21, 1914

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