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Features

Life-like but not Living, Mares' Nests in Atmospheric Optics and more

Prof. Malladra' s Descent into the Crater of Vesuvius

Exploring the Interior of a Volcano Amid Choking Sulphur Fumes Illustrated With Photographs Prof. Alessandro Malladra

By Maurice Magnus

How the Germans Utilize Waste—V

Wealth that has been Earned by the Efficient Use of Raw Material

By Waldemar Kaempffert

Industrial Uses of the Moving Picture

How and Why Moving Pictures Educate and Advertise

By Watterson R. Rothacker

How we can Utilize $250,000,000 Worth of Wasted Timber

The Beginning of a New American Industry

An Industry that Thrives on the Utilization of Waste

What the By-products of the Packing House Mean to this Country

By E. Scherubel

The Dividends That Float Up the Chimney

What Smoke Means in Dollars and Cents

By S. B. Flagg

The Enormous Fire Waste of the United States

How One Half a Billion Dollars are Lost Annually Because of Bad Construction

By John L. Cochrane

Curiosities of Science and Invention

The Lohmann Process, Tests for the Quality of Glue, and more

Departments

  • Departments

    Correspondence - June 15, 1912

  • What Inventors are Doing

  • Recently Patented Inventions - June 15, 1912

  • Notes and Queries - June 15, 1912

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June 15, 1912

Reanimate Your Brain

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