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Why Does Your Clock Keep Time?, February Issue of the Scientific American Monthly and more

The Panama Terminals

Recent Pier Construction at the Ends of the Canal

By J. F. Springer

Coöperation and Industrial Progress

An Opinion as to Why and How the Employees Should Share in Plant Management

By Cyrus McCormick Jr.

Wild Animal Models at the Zoo

How New York's Painters and Sculptors Work from Nature in Their Representations of Wild Life

By William T. Hornaday

Gas and Steel

Some Facts and Figures on the Heat Treatment of High and Low Carbon Steel

By W. A. Ehlers

Training Men for Foreign Fields, Marking American Goods and more


  • Departments

    The Service of the Chemist - February 7, 1920

  • Inventions New and Interesting - February 7, 1920

  • Recently Patented Inventions - February 7, 1920

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