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Features

Transportation in the Oil Fields, The Gordon-Bennett Airplane Race and more

By Edmund Conaway

Forty Centuries Ago--And Now

Why Should We Not Make Paper Again from the Papyrus?

By M. Tevis

Concrete and the Building Crisis

Some of the Advantages Which Have Led to Wide Adoption of This Structural Type

By Robert G. Skerrett

The Aerial Cruiser

Some Details Concerning the Latest British Rigid Dirigible R-80

Items in Brief

A Department Devoted to Current News in All Fields of Pure and Applied Science

Preventing Rust at High Temperatures

Aluminum-Coated Metals That Will Go to the Melting Point Without Formation of Scale

By Robert June

A Pocket Machine Gun

By E. C. Crossman

What Science did for Cheese

How Precision Was Substituted for Guesswork in the Making of Swiss and Other Varieties

By George H. Dacy

Concerning Back Numbers, Propping Fruit Trees with Staples

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    Correspondence

  • The Motor-Driven Commercial Vehicle

  • Recently Patented Inventions

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October 1920

See the World from a Different Perspective

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