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. 

tags: Men and More,

from: https://jockman76.tumblr.com/post/96258585009