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Forerunners of the Flying Liners, Cleaning a Clock and more

Duluth to Liverpool in One Bottom

The Arguments Advanced in Favor of a Deep-Water Route Between the Great Lakes and the Sea

By Robert G. Skerrett

Common Sense in the Laboratory

Some of the Ways in Which Better Executive Control Might Aid Electrical Research

By Vladimir Karapetoff

Relieving the Nitrate Pressure

The Development of Liquid Oxygen Explosives During the War

What is Wrong with Our Paper Supply?

Some Reasons Why This Essential Material is Scarce and High-Priced

By H. A. Mount

With Our Latin Customers

Engineering Works That Have Put Venezuela Abreast of the Twentieth Century

By Harry Chapin Plummer

When the Heart Tells its Story

How Electrical Engineers Have Developed a Practical Cardiac Recorder for the Medical Fraternity

By M. A. Henry

How Much Paper in Your Shoes?

By Ralph Howard

Electric Power from Sunlight

By Paul Kirkpatrick

Fighting for Healthy Plants

By W. A. Murrill

The Scientific American Monthly for June


  • Departments

    Correspondence - June 19, 1920

  • The Service of the Chemist - June 19, 1920

  • The Motor-Driven Commercial Vehicle - June 19, 1920

  • Recently Patented Inventions - June 19, 1920

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