Wool + Heat + Pressure = Felt
Felt, Most Ancient of Textiles, Has Become an Important Material of Modern Engineering. Covering a Wide Range of Characteristics, Felts Are Now Available for Fabricating a Great Variety of End Products
Volume 177, Issue 5
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Features
Elasticity Explained
Investigations With the Ultramicroscope Have Proved Visually that Elasticity is No Monopoly of Just a Few Substances. Molecular Weight Distribution is Important and Realization of This Has Already Resulted in Improvement in the Elasticity of Synthetic Rubber
Putting Plastics in Its Place
Misapplication of Plastics During Recent Years Has Led to a Long Procession of Wholly Unsatisfactory Products, With a Noticeable Loss of Faith in Plastics by Consumers as a Result. This Can Be Corrected Only by Applying Sound Engineering Practices to Plastics Fabrication -By Assuring Right Plastics for the Right Job
Co-Operation Hits Corrosion
Competitors Working Hand in Hand Are Carrying on Extensive Studies Aimed at Breaking Through the Barrier of Question Marks Which Surrounds the Corrosion Characteristics of Metals. Information Thus Gained is Aiding the Co-Operating Manufacturers to Turn Out Better Products More Economically
Electrons Guide the Cutting Torch
A Photoelectric Tracer, Reading Directly From an Inexpensive Drawing, Controls the Oxyacetylene Torch to Cut From Any Pattern
Baking Under the Microscope
Taken Through the Microscope, a Full Color Motion Picture of a Paper-Thin Cake Being Baked in a Miniature Oven Reveals Secrets Which Spell the Difference Between Baking Success or Failure
Improved Catalysts
Developed By Electro-Magnetic Process