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"Tea Kettles" that Salvage Valuable Metals

Builders for the Army

The Engineers Pull 'Em Up, Then Tear 'Em Down

By Don Wharton

British Ingenuity, Anti-Aircraft

Foreign Correspondent Tells Of War Aids

Physics Scores an Assist

The Particle Detector, Teamed Up with the Cyclotron, Gives Medicine a Powerful Tool

By Jane V. Sheppard

Thin Films

Find Varied Applications In Scientific Research

Make-up for Better Seeing

Studies Show that Safety can be Increased, Production Speeded, Workers Made Happier

By A. P. Peck

Sorter, Scrap Shortage, and more

For Metal Parts of Like Appearance

Who Threw Them?

Dunninger Plays the Role of Poltergeist By Dexterous Digital Manipulation

By A. D. Rathbone IV

93,000,000 Miles

After a Decade of Laborious Calculations, the Sun's Distance is Slightly Corrected

By Henry Norris Russell

Insulating "Blackout" Plants

Windowless Bomber Factories Will Contain More Glass Than "Daylight" Structures

By H. T. Rutledge

Just What is Insanity?

Essentially it is Simply a Lack of Proper Adjustment to Environment and Society

By L. J. Pankow

Vitallium, Burns

Plates Used to Repair Skull Defects

How to Make a Mastodon

Students of Paleontology Reconstruct a Model of Amebelodon from Fossils

By C. Stuart Johnston

"Crazy Drivers," Timber, and more

May Actually Be Insane

Cool Welding, Markers, and more

Refrigerated Points Last Longer, Weld Better

Autogiros Against Submarines

Convoy Duty Requires the Services of Aircraft With Peculiar Qualities for the Job in Hand

By Alexander Klemin

Balloons, Air Safety, and more

Factors in Design of these Effective Defenses


  • 50 Years Ago, December 1941

  • From the Editor

    Our Point of View, December 1941

  • Recommended

    Our Book Corner, December 1941

  • Departments

    Industrial Trends, December 1941

  • Camera Angles, December 1941

  • Your Firearms and Fishing Tackle, December 1941

  • Telescoptics, December 1941

  • Current Bulletin Briefs, December 1941

  • Index to Volume 165, July--December, 1941

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