The geophysical activities at the Atmospheric Ionization Laboratory in Cambridge, Massachusetts. Men at the laboratory operate different instruments. Views of research on the ionosphere in the laboratory. A scientist conducts a research and uses various apparatus. A model of U.S. B-29 Superfortress on top of a table with a portable laboratory. Personnel in a research laboratory as they operate an equipment. He operates electron microscope and performs experiments. A man at a blackboard as he works out mathematical problems.
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