Electrical Engineering (1) | University of Illinois Archives
Caption on back: Prof. William J. Fry checks a new device being perfected for brain surgery. He examines units which produce intense sound waves pitched so high they cannot be heard, and focus them with pinpoint accuracy. Development and tests with the
Geographic Coverage: Bio Lab, University of Illinois, Urbana, IL
Found in Box 130, Folder FAC - 4 FR - FU
Negative Number: 8051, Record Series 39/2/22.
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