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Features

The Peril of Floods, Enormous Waste in Industries and more

What is the Trouble with the Railroads?

An Analysis of the Business Done by Our Transportation Systems, and the Rates They Are Charging for It

By Charles Frederick Carter

Controlling the Lower Mississippi

By Rozel Gotthold

The Storm King Road

By J. F. Springer

Facts About Concrete

How We Are Expanding Our Knowledge of the Behavior of Cements and Aggregates

By Robert G. Skerrett

Brief Fallacies About Money

An Attempt to Refute Some of the Ideas on Which Satisfaction with the Present System Rests

By Charles E. Duryea

Red Rust in Hot Water Pipes and the Cause, A New Dental Anesthetic and more

The Craters of the Moon

Possible Light on Their Origin , from Experiments with Airplane Bombs at Langley Field

By J. F. Springer

Cacti and Their Uses

A Discussion of This Interesting Family and Some of the Things It Is Good For

By William A. Murrill

Colorado's Cloud-Burst

Some of the Causes and Results of the Pueblo Flood

Departments

  • Departments

    Correspondence

  • The Motor-Driven Commercial Vehicle

  • Recently Patented Inventions

  • New Books, Etc.

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June 1921