Various documents from the U.S. military, ranging from World War II to the 1970s.
US Army & Navy 1945 Cross Index Radio Electron Tube Types - A complete list of radio tubes known by the U.S. military in April, 1945.
Armed Services Electro Standards Agency 1953 Inspection Instruction for Electron Tubes · - From section 1.1: "This manual iis for use in conjunction with Military Specification MIL-E-1B, and presents information pertaining to inspection procedures, sampling plans and criteria for determining the acceptability of those Electron Tubes covered by the above specification and for use by the Armed Services. By its nature this manual is primarily of interest to electron tube manufacturers and electron tube inspectors."
EG&G 1954 Research Study of Hydrogen Thyratrons AD-17590 · - The 6th quarterly progress report on an ongoing study of hydrogen thyratrons by Edgerton, Germmeshausen & Grier (EG&G). Failure mechanisms at high pulse rates are discovered and an improved design is proposed.
Clark 1958 Development of Improved Guns for CRTs 58-177 · - An effort by RCA to improve the spot size of the 10UP14A CRT.
DESC 1964 Meeting of Power and Gas Tube Working Group #5 · - Minutes and spec updates from a meeting sponsored by the DESC (Defense Electronics Supply Center). Various tube specs are updated and humidity, shock, and life tests procedures are updated.
Methods of Radar Modulator Tube Characterization · - Unnamed and undated, this was paper-clipped to the DESC report above. It appears to be the "Proposed NATO Draft on Pulse Modulators and Clipper Tubes" referenced on page 14 of the above report.