Surf these sites: AMAC International Inc. -- AMAC Int''l, Inc. manufactures advanced magnets, cryostats and SRF cavities. The company provides low cost equipments and variety of services to scientific community of accelerators, superconductivity and cryogenics. Bartington Instruments -- Manufactures fluxgate magnetometers, magnetic field sensors and magnetic susceptibility systems for soils and rocks. Electromagnetic Coilgun Design -- Learn about electromagnetic coilgun design principles. These web pages describe theory, design and a small prototype. What is a coilgun? It accelerates a piece of iron or steel down a tube. The tube runs through a series of electromagnetic coils (like solenoids). Some careful timing circuits energize each coil in sequence. The principle of magnetic attraction draws the projectile along at rapidly increasing speed. Electronic Filters -- Real-world signals contain wanted and unwanted information. Therefore, some kind of electronic filtering technique must separate the two before processing and analysis can begin. Intermagnetics General Corporation -- dedicated to the development and commercialization of applied superconductivity and refrigeration systems for use in magnetic devices. Also supplies permanent magnet systems, materials separation equipment, and FRIGC® refrigerants as replacements for ozone-depleting refrigerants. Magnetic Measurements -- Handbook of magnetic measurements. How to build simple and sophisticated measurement apparatus for measuring magnetic parameters: magnetometers, fluxmeters, Hall-effect gaussmeters and others. Stangenes Industries, Inc. -- Transformers, current transformers, voltage dividers, electromagnets, X-ray power supplies, pulse forming networks.
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