Fankuchen and Unidentified Others
Adams looking at vacuum tube
Kuehner, Bromley and Almvist in Control Room
Donald Kerst, Gerald Almy and R. K. Hursh at the 20 MeV betatron with a sealed-off vacuum tube
Kenneth Kingdon, H.E. Tanis and E.J. Lawton work on problems of high-voltage electron tubes
J.J. Thomson and F.B. Jewett
First Klystron
Vacuum Tube and Integrated Circuit
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