generalelectric: The magic of magnetism displayed in an episode of “Excursions in Science,” a series of educational shorts GE produced in the 1930s.
generalelectric: The magic of magnetism displayed in an episode of “Excursions in Science,” a series of educational shorts GE produced in the 1930s.
generalelectric: The magic of magnetism displayed in an episode of “Excursions in Science,” a series of educational shorts GE produced in the 1930s.
