Vibration Effects, Sometimes Revealed by Structural Failures, and Always Hard to Evaluate In Design, Are Accurately and Safely Tested by Electromagnetic Vibrators. With These Units, Forces of Controlled Amplitude and Frequency are Conveniently Used on Critical Members...
Transmitted Electronically in Laboratory Demonstration
Annealing Polystyrene Plastics Parts Requires a Simple but Specific Technique. Controlled-Cycle Water Baths and Fixed-Temperature Ovens are Practical if Results are Checked By the Kerosine Test...
Owes Properties to Plastics Finish, Does Not Glisten
When Production Quantities of Accurately Contoured Parts are Needed, And Finishes are Specified in Micro-Inches, the Answer May Be Electroforming. Unusual Metal Density is Added Feature
Promises Unusual Results in Brass-Casting Dies
Damned by Some and Praised by Others, the Old Apprentice System Had Much in Its Favor--For Those Times and Machines. Modern Equipment Does Automatically Much of What Apprentices Learned to Do by Skill; Efficient Training Now Takes Days Instead of Years...
Step Up Furnace Production, Save on Fuel
The Slow-Speed Predecessors of Today's Ubiquitous High-Speed Diesels Could, and Often Did, Burn Almost Anything. Now the Sound and Fury of Diesel-Fuel Evaluation is at a Peak. As Usual in Such Cases, the Answer is a Compromise of Technical, Economic, and Practical Factors...
Cleans Engine, Keeps It Clean, Improves Performance
May be Reduced by Changing Electrical Charge
Asbestos-Cement Pipe, In Addition to Being Highly Resistant to UnderGround Corrosion, Is Free of Tuberculation and Excessive Ground-Water Infiltration. Added Up, These Features Mean Long Useful Life...
Increases Life of Rolling Stock; Wider Use Expected
Eliminates Tedious Figuring in Planning Heating Systems
