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Less them the Span of a Single Century Covers the Lifetime of Applied Electricity. From Early Developments in an Obscure Art has Come the Science of Electronics, Taking Over Many Jobs in Industry and Doing Them Better than Ever Before. A Glimpse of the Future
Wire-Recording Equipment and Other Electronic Instruments are Giving New Ears to Factory Men. New Accuracies in Machine and Process Industries, Made Possible by Studying and Comparing Noises, Are Speeding Production, Improving Quality, and cutting Costs
In Wood Fabrication and in Preparing Plastics Materials for Molding, High Frequency Heating is Well into the Development Stage. The Success that Has Been Attained Bids Fair to Influence Favorably The Rapid Production of Even Large and Complicated Plastics Ports
Electronics Has Brought to Aviation a Versatile Means of Controlling Many of the Airplane's Essential Mechanical Components. Increased Engine Efficiency, Reduced Pilot Fatigue, and Greater Safety are Some of the Worthwhile Results that Have so Far Been Obtained
Liquefied Petroleum Gas, Because of its High Thermal Efficiency and Adaptability to Convenient Storage and Transportation, has Come to be an Important Factor in American Economy, Both Domestic and Industrial. Its Uses are Widely Varied and They are Increasing Rapidly
Comfort in Modern Passenger Trains Requires Large Quantities of Electric Power Put to Work in Many and Diverse Ways. On Most Trains, this Needed Energy Is Produced by Cor-Mounted Generators Driven by the Axles. Other Methods Are Also Used
Modern Permanent Magnetic Alloys, Two to Ten Times More Powerful Than Former Materials, are Responsible for Compact, Efficient War-Time Energy-Converting Devices and Will be the Key Elements in Many Post-War Electrical and Electronic Products
By Harnessing Forces that Act Outside the Bounds of Human Senses, and Applying Electronic Amplification, Chemical Control Methods Have Been Highly Refined. The Infra-Red Technique is Not Yet in Wide Use, but Successful Results So Far Point to Broad Future Fields
Pipelines and Other Underground Metallic Structures are Constantly Subject to Corrosion Caused by Galvanic Currents. Control of Such Corrosion Can be Obtained by the Use of Buried Anodes Which Set Up Counter Potentials. Masses of Magnesium Offer a Ready Solution