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Features

With the Editors, August 1923

Features of a Properly Constructed Brick and Frame Residence, with the Commonly Used Terms

Invention and the "Grifter"

Gathering in the Foolish Dimes and the Heedless Dollars at the Summer Amusement Parks

By Edward H. Smith

Camouflage and Carpentry

How the Housing Shortage Has Played Into the Open Hand of the Jerry-Builder

By A. G. Ingalls

The Paper of the Future

Means, Ready to Hand, for Staving Off the Impending Famine in this Essential Material

By S. G. Roberts

Our Psychic Investigation in Europe -- IV

A Sitting with Evan Powell, the Well-Known Welsh Medium, that Was Very Rich in Phenomena

By J. Malcolm Bird

A Graphic Showing of American Automobile Statistics for 1923

A Giant Among Gigantic Wind Tunnels, A Model Railway in the Workaday World and more

The Trans-Atlantic Race

In this Test of Skippers and Sail Plans the Two Hulls are Identical

Summer Time and Radio

Recent Developments in Radio Broadcasting that Challenge Warm Weather Handicaps

By George V. Haskell

Another Forward Step in Electrification

How the Virginian Railway will Replace Steam with Electricity for Hauling Heavy Trains

Light Weight Cement Slabs that Take the Place of Lumber in Building Operations, Dahlia Sugar and more

Spherical Aberration in Thin Lenses

When Light Speaks

Recording and Reproducing Sounds by Means of Light Intensities

By Lee DeForest

New United States Scout Cruiser "Richmond" -- Fastest of its Type

By C. McKnight Smith

Insect-Eating Insects

Some Glimpses of the Eternal Struggle for Survival

By E. Bade

Immunizing Cabbage by Natural Selection

How Nature's Standard Biological Process Is Adopted and Speeded Up by Man

By Robert G. Skerrett

The Loudest Voiced Bird, Geography and Intelligence

Diamonds from Guiana

How the Precious Sparklers are Recovered from the Gravel

By Frank Munro

A Beacon for Aviators, The Gipsy Moth and Dead Trees and more

Carrier Current Telephony

Guiding Radio Telephony over Existing Telegraph, Telephone or Power Lines

By B. R. Cummings

Making Old Air Better than New, Chemical Analysis with the Spectroscope

By A. Gradenwitz

What Makes Glue Stick?

Some Studies of the Roles Played by the Wood and by the Adhesive

By Eloise Gerry and T. R. Truax

Solders for Aluminum, A Draw Bridge Which Slides Diagonally and more

Concrete in the Making

Ingenious Production Methods Evolved in the Portland Cement Industry

By George S. Eaton

Where the Temperature is 434 Degrees Below Zero

The Work of the Bureau of Standards in Liquefying and Freezing Hydrogen, Lightest of Gases

By S. R. Winters

When the Packer Turns Inventor, Marking Laundry by Machine

The Reconstructed Leviathan

Story of the American Effort to Render this Ship the Safest and Fastest of the Three Great Ex-German Liners

Women on the Farm

The Role in Our National Life of the Wives and Daughters of Agriculture

By George H. Dacy

A Dummy Aircraft Observer, The Latest Motion Picture Outfit for Amateurs and more

What is Color?

Something About the New Theories of Ostwald on this Important Subject

By Ismar Ginsberg

Ur of the Chaldees: The Birthplace of Abraham

Uncle Sam's Question-and-Answer Office

The Bureau of Standards, and It's Bearing upon Everyman's Business Problems

By S. R. Winters

For Learning Engine Pressures, The Rivet Gun and its Role and more

A Readable Manual of Seismology

Internal Secretions and Geneial Biology

A Sugar-Coated Dandruff Cure

Departments

  • Science Notes, August 1923

  • Departments

    Our Point of View, August 1923

  • Inventions New and Interesting, August 1923

  • The Service of the Chemist, August 1923

  • The Heavens in August, 1923

  • The Motor-Driven Commercial Vehicle, August 1923

  • Our Readers' Point of View, August 1923

  • Recently Patented Inventions, August 1923

  • Miscellaneous Notes, August 1923

  • Electrical Notes, August 1923

  • Mechanical Engineering Notes, August 1923

  • Radio Notes, August 1923

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August 1923

Think Outside the Gift Box