Mica Insulator Company reports gratifying demand

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THE MICA INSULATOR COMPANY, of New York, Chicago and London, manufacturers of "Micanite" materials for high-grade insulation, reports a gratifying demand for its commutator rings. The company makes a specialty of manufacturing molded insulation, and is now turning out for some of the large manufacturers of electrical machinery molded rings all in one piece. This pattern of ring is the most difficult insulation to manufacture, but as it comes from the machinery of this company it is as perfect as a stamped piece of steel ware, and has the same metallic ring. Electrical manufacturers will do well to write the company, sending their blue-prints for estimates. Another form of insulation of which this company has made a specialty is the armature trough or slot, which is now in use by many of the manufacturers of motors for crane work and by those who require a heavy insulation which will stand at very high voltage. While this form of insulation is a trifle more expensive than the common red paper and "mica," yet those concerns manufacturing machinery which receives such rough usage have found it necessary to get the best possible insulation for their armatures.

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