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Prof. Elie Metchnikoff, No Contest for the Gould-Scientific American Prize and more

The Most Distinguished of Living Bacteriologists and his Work

By Ray Lankester

The Disposal of a City's Waste

How Refuse Equal in Weight to Ninety "Titanics" is Handled by New York and Other Cities

By Franz Schneider

The Business Side of German Science--VII

Making Money with the Aid of Technically Trained Men

By Waldemar Kaempffert

The Fatal Aeroplane Accident at Boston

Destruction of the Airship "Akron"

Vaniman's Career and Tragic End

Growing Alfalfa in the East

By J. M. Westgate

Wholesome Water in the Country

The Dangers of Pollution and How They May Be Avoided

By Frederick H. Billings

Insects and Disease

The Mechanical and Biological Methods of Transmission

By W. C. Rucker

The Bacterial Purification of Water and Sewage

By Earle B. Phelps

Sewage and the Farmer

A Problem in the Conservation of Waste

By W. T. Sedgwick

Curiosities of Science and Invention - July 13, 1912

The Trade-mark as a Business Asset, Notes for Inventors and more

[Copyright, 1912, by Munn 4 Co.]

By W. E. Woodward-I

The Efficiency of the Large Manufacturing Plant

By Sidney Graves Koon

The Destruction of the "Schwaben", The Current Supplement and more


  • Recommended

    New Books, Etc. - July 13, 1912

  • Departments

    Inventions New and Interesting - July 13, 1912

  • Recently Patented Inventions - July 13, 1912

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