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I cannot find words to express how deeply I feel the honor of addressing some of the foremost thinkers of the present time, and so many able scientific men, engineers and electricians, of the country ...

THE discovery of the Röntgen rays has created a revived interest in many of the beautiful experiments that can be performed with the aid of the Ruhmkorff induction coil, and is thus indirectly a ...

A TUBE like a radiometer tube contained a concave metal disk within the bulb; this disk could be connected with the pole of an induction-coil, and about a quarter of an inch above it was a small wire ...

Induction heating is an accurate, fast, repeatable, efficient, non-contact technique for heating metals or any other electrically-conductive materials. An induction heating system consists of an ...