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America Needs a Million Tons of Copper

An Adequate Stockpile of Copper -- in Ingots, Bars, or Other Convenient Shapes -- is Essential to All Industry in Peace as Well as in War. The Cost of Such a Stockpile Would be Low; It Would Represent an Investment Which Never Would be Wasted. At Least a Part of the Stockpile Might be Acquired by Accepting Copper in Payment for Some of Our Nation's Many Loans

By C. Donald Dallas

Tomorrow's Metallurgy

While There Are Many Startlingly New and Revolutionary Developments in Metallurgical Sciences Just Over the Horizon, Some of the Most Important Advancements Will Consist Merely of Taking Fuller Advantage of Established Principles

By Fred P. Peters

Microfilm Magic

In Addition to Its Better-Known Functions of Compressing Bulky Records Into Minute Spaces, Microfilming Is More Than Paying Its Way by Simplifying, or Completely Eliminating, Many Cumbersome Tasks

By Paul D. Green

Monitors for Molten Metals

Installed for a Wide Variety of Applications Throughout the Entire Metals Industry, Electronic Controlling and Measuring Devices Have Gone Far Toward Removing the Variable Human Factor From Many Production Processes

By John Markus

Casting is Changing

New Operating Techniques Applied to the Ancient Practice of Casting Are Resulting in Products Which Come From Molds With Qualities Obtainable Otherwise Only by Wroughting

By Edwin Laird Cady

Night Cooling for Day Comfort

Power Fans and Ventilators, Replacing With Cool Night Air the Heat Accumulated in a Building During the Day, Can Provide Comfortable Indoor Air Temperatures Which Would Be Obtainable Otherwise Only Through the Installation of Vastly More Expensive Equipment

By L. F. Peterson

Fuels of the Future: For Gas Turbines and Jet Propulsion

Editor's Note: The accompanying article is the second of four, adapted by permission from papers presented at a recent Standard Oil Development Company seminar on Fuels of the Future. Each paper deals with different phases of fuels for engines of types now in use, under development, or projected. Together they summarize the general subject and furnish a glimpse of the fuels and engines which technology will be offering to transportation in the years to come.

By Philetus H. Holt

Departments

  • 50 and 100 Years Ago: August 1947

  • Recommended

    Our Book Corner: Chemistry for the Executive, Handbook of Uranium Minerals and more

  • Departments

    Progress is Sometimes Slow

  • Expansion Testing, Machine-Shop Forests

  • Line Voltage Stabilizer, Midget Camera

  • Fuel Vaporizer, Off-Shore Oil Well

  • Chilled Latex, Insects Traced, and more

  • Jet Alloys Tested, Control-Cable Steel, and more

  • Watch Timer, Package Battery Charger, and more

  • Photoelectric Actuator, Small Induction Heater, and more

  • Current Bulletin Briefs

  • Telescoptics

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August 1947

Think Outside the Gift Box