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April 1954

April 1954: Lois Mellquist, right, a nurse at Argonne National Laboratory, shows Argonne's newly-developed portable X-ray unit to Betty Van Dolah, a medical technologist. The unit is small, inexpensive and does not require an electrical power supply. Exclusive of irradiation charges, the total cost of the first model was $40. It provides rays which are comparable in energy to a 100,000 volt X-ray machine.

Courtesy Argonne National Laboratory