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Phosphorus: Bearer of Light and Life

First isolated three centuries ago, it is a key constituent of life's perpetual cycle. The first of two articles

By William Mann

Microwaves in Communication

Highest frequencies of the radio spectrum, applied in radar, may ease the congestion of U. S. telephone and telegraph lines. An account of how microwaves are already in use for relay transmission between cities...

By Deane H. Uptegrove

Photochemistry in Industry

Electromagnetic radiation, - engineering chemical reactions through the use of specially designed lamps, is a powerful tool in many modern Processes

By E. W. Beggs

What To Look for in FM

Manufacturers are getting into large-scale production of sets first of two articles appraising their necessary qualities

By David F. Armstrong

Investment Casting

An Ancient Technology, In Which the Hardest Metals Are Poured Accurately in Ceramic Molds, Is a Growing Modern Business

By Edwin Laird Cady

Industrial Consultants

The Laboratory Problems Which Are Involved In Practically All Manufacturing Processes Are Frequently Too Big For One Business To Handle Alone. Result: Foster D. Snell, Inc. Is Ready To Take On a Little of Everything...

By D. H. Killeffer


  • 50 and 100 Years Ago: March 1948

  • Recommended


  • Departments

    An Announcement to Our Readers

  • Industrial Digest: Industrial Adhesives, Aircraft Autopilot, and more

  • Carbide Boring Bars, Descaling Conveyor Chain, and more

  • Alcohol from Rosin, Cumene Hydroperoxide, and more

  • Power Recorder, Decade Scaler, and more

  • Current Bulletin Briefs

  • Telescoptics

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