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Features

The Three-Masted Auxiliary Schooner Yacht Sea Call, New Uses for Infusorial Earth and more

The Naval and Military Exhibit of the National Security League

Weapons of Defense for Safeguarding the United States Against Attack

The Aeronautic Lessons of the European War

In This Experimental Air-War the Brilliancy of the Celtic Mind has Scored Heavily.
[The article mentions the destruction of a German Zeppelin by a British pilot]

By C. Dienstbach

The Strategic Moves of the War

Our Military Expert--June 17th, 1915

The Instrumental Study of the Heart

Methods by Which its Action and Condition are Observed and Recorded

Are Plants Cruel?

Brutal Injuries Inflicted on Insects and Animals

By S. Leonard Bastin

Electric Remote Gages for Shooting Ranges

Our Berlin Correspondent

Wire Rope

Departments

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    The Heavens in July

  • Recently Patented Inventions - June 26, 1915

  • Index

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June 26, 1915Cover Image: Destruction of a Zeppelin by a British Monoplane (with a Bomb)

Think Outside the Gift Box