Research Catalog

  • Study of seasonal variation of radio-frequency phase difference of laminated phenolic insulating materials [microform]

    • Text
    • [Washington?] : U.S. G.P.O., 1925.
    • 1925
  • Resistance of conductors of various types and sizes as windings of single-layer coils at 150 to 6,000 kilocycles [microform]

    • Text
    • [Washington?] : U.S. G.P.O., 1926.
    • 1926

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