Skip to main content


New York's Radio Pilot Cable, To Preserve a Beautiful and Historic Work and more

By George Gaulois

Gas Engine Versus Steam Engine

The Role Which the Motor Truck Can Play in Transportation, as Indicated by California's Experience

By H. A. Crafts

A Neat Problem in Hydraulics

How the Delaware River Was Held at Bay During the Construction of the Naval Drydock at Philadelphia

By J. F. Springer

Varying the Airplane Propeller Pitch, Joseph Norman Lockyer, K. C. B. and more

By M. A. Henry

How a State May Grow a Timber Supply

By George H. Dacy

What Has Been Said About Einstein

A Review of the More Important Popular and Semi-Popular Books and Articles in English

Fire Without Firemen

How the Coal Is Fed Mechanically to the Huge Grates Beneath the Modern Boiler

By H. A. Mount

Oil as a Locomotive Fuel

By Charles N. Winter

Wood That Is Stronger Than Steel

How Thin Veneers and Water-Proof Glue Have Conspired to Build a New Industry

By Robert H. Moulton

Items In Brief

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


  • Departments

    Correspondence - August 28, 1920

  • Inventions New and Interesting - August 28, 1920

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top