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A Mammoth Steam Unit and its Work, Aluminum Dust Explosions and more

By Sydney G. Koon

Shall the Corn Fields Run Our Cars?

The Possibilities of Synthetic Fuels, and the Source of the Alcohol to Make Them

By Robert G. Skerrett

Putting the Payroll on an Automatic Basis

By Charles Abbott Goddard

Clay Needles for the Talking Machine, The Rocking of a Tall Chimney and more

By Allen P. Child

New Concepts of the Past Century

The Change in Outlook Since Classical Days, Which Makes Non-Euclidean Geometry a Possibility

Shortening the Route from Farm to Consumer

One Way to Do This by Reversing History and Extending the Role of the Farm

By John T. Bartlett

Running the Gauntlet of Quality Production

The Tests That an Automobile and Its Parts Have to Meet Before Passing from the Factory

By Ralph Howard

From Fish to Food

How the Toothsome Sardine Is Prepared for the Market by Regular Factory Methods

By Arthur L. Dahl

The Romance of Invention--XVII

The Heart of the Gas-Filled Lamp--Ductile Tungsten and the Man Who Made It

By C. H. Claudy


  • Departments

    Correspondence - September 18, 1920

  • The Motor-Driven Commercial Vehicle - September 18, 1920

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