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Lake Shore Cryotronics, Inc. introduced the Model 648 electromagnet power supply, a robust, fault-tolerant 10 kW supply optimized for powering large 7-inch or 10-inch research electromagnets. Lake ...
This article was originally published with the title “ Powerful Electromagnet for the Use of Oculists ” in Scientific American Magazine Vol. 105 No. 26 (December 1911), p. 573 doi:10.1038 ...