Reports generated at the Sperry Gyroscope Company on various aspects of the Klystron, 1945-1947; photocopy of the Wave Guide
Handbook, 1944-1945, prepared by the Radiation Laboratory at Massachusetts Institute of Technology; paper by V.F. Kovalenko
on the history of microwave electron-beam tubes, 1940; and printed patents for the various elements of the Klystron, 1936-1949.
Brothers Sigurd and Russell Varian worked in collaboration with Prof. William W. Hansen beginning in 1937 to invent and perfect
the Klystron, a device for generating high-power microwaves. Much of the work was conducted at the Sperry Gyroscope Company.
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