John Lord

Beacon Lights of History, Volume 14 John Lord

Book Excerpt: ...icity of the apparatus used in his successful experiments. Some of the results obtained by him in his experimental researches. What is to-day owing to him for his discovery and investigation of all forms of magneto-electric induction. His discovery of the relations between light and magnetism. Action of glass and other solid substances on a beam of polarized light. His paper on "Magnetization of Light and the Illumination of the Lines of Magnetic Force". His contribution (1845) on the "Magnetic Condition of All Matter". Investigation of the phenomena which he calls "the Magne-crystallic force". Extent of his work in the electro-chemical field. His invention of the first dynamo. His alternating-current transformer. Induction coils and their use in producing the Röntgen rays. Edison's invention of the fluoroscope. Faraday's gift to commercial science of the electric motor. His dynamo-electric machine. Modern electric transmissions of power. Tesla's multiphase alte...