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 1.  Solenoids, Electromagnets and Electromagnetic Windings

Underhill, Charles N. Lindsay 155918096x / 9781559180962 Paperback

Brand New! 

Here you'll learn the secrets of creating an electromagnet that generates a field of needed intensity, drawing minimal amperage at available voltage without overheating. Chapters include: magnetism and permanent magnets, electric circuits, electromagnetic calculations, the solenoid, practical solenoids, ironclad solenoid, plunger electromagnets, electromagnets with external armatures, electromagnetic phenomena, alternating currents, AC electromagnets, quick-acting electromagnets and methods of reducing sparking, materials and bobbins, insulation of coils, magnet wire, insulated wire, windings, forms of windings, heating of windings, and tables and charts. There are also 233 illustrations listed showing everything from a practical multiple-coil winding to rim solenoids telescoped to form disk solenoids. Some things have changed since 1921 such as better insulation and higher-permeability iron, but amps are still and amps and Oersteds are still Oersteds. Build that perpetual motion machine that some people claim is possible. Or how about a flying saucer? Forget it. Just get a copy for your reference library... Excellent! Worth having 4/12 x 8 paperback 342 pages 
Price: 15.95 USD



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