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Image Not Available for 14F7 2x HiMu triode
14F7 2x HiMu triode
Image Not Available for 14F7 2x HiMu triode

14F7 2x HiMu triode

Inventory NumberVT4867
ClassificationVacuum Tube
Subject
    Maker Emerson Apparatus Company 1908-present
    Cultural Region
      Place of Origin
        Dimensions6.7 × 3 cm (2 5/8 × 1 3/16 in.)
        Curatorial RemarksRefer to type 6SK7
        Emerson fuel calorimeter with Daniels adiabatic jacket
        Emerson Apparatus Company
        Date: circa 1920
        Accessories: instruction manual
        Object number: 1998-1-0058
        single valve steel "bomb" for Emerson fuel calorimeter
        Emerson Apparatus Company
        Date: 1920-1940
        Accessories: one ziploc bag containing small assorted parts (mostly gaskets and handles) for both bombs (1998-1-0065 and 1998-1-0066).
        Object number: 1998-1-0065
        double valve steel "bomb" for Emerson fuel calorimeter
        Emerson Apparatus Company
        Date: 1920-1940
        Accessories: one ziploc bag containing small assorted parts (mostly gaskets and handles) for both bombs (1998-1-0065 and 1998-1-0066)
        Object number: 1998-1-0066
        water bath for Emerson fuel calorimeter
        Emerson Apparatus Company
        Date: circa 1920
        Accessories: bag of assorted parts (including 8mm Allen wrench, rubber seal rings, two finely machined and plated cups for combustibles); unknown metal piece
        Object number: 1998-1-0068
        Emerson 12AT6 twin diode-triode tube
        Emerson Radio and Phonograph Corporation
        Date: 1946-1960
        Object number: VT0020
        Emerson 12BA6 remote cut-off pentode tube
        Emerson Radio and Phonograph Corporation
        Date: 1946-1960
        Object number: VT0015
        Emerson 12BE6 pentagrid-converter tube
        Emerson Radio and Phonograph Corporation
        Date: 1946-1960
        Object number: VT0017
        Emerson 50B5 beam power tetrode tube
        Emerson Radio and Phonograph Corporation
        Date: 1945-1955
        Object number: VT0033
        General Electric Company
        Object number: VT5168