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Image Not Available for 9A8 miniature triode pentode
9A8 miniature triode pentode
Image Not Available for 9A8 miniature triode pentode

9A8 miniature triode pentode

Inventory NumberVT5129
ClassificationVacuum Tube
Subject
    Cultural Region
      Place of Origin
        Dimensions5.4 × 2.1 cm (2 1/8 × 13/16 in.)
        Westinghouse Electric & Manufacturing Company
        Object number: VT4949
        Westinghouse Electric & Manufacturing Company
        Object number: VT4994
        Westinghouse Electric & Manufacturing Company
        Object number: VT5039
        Westinghouse Electric & Manufacturing Company
        Object number: VT5116
        Westinghouse Electric & Manufacturing Company
        Object number: VT5134
        Westinghouse WD11 triode tube
        Westinghouse Electric & Manufacturing Company
        Date: 1922-1924
        Object number: VT0066
        Westinghouse Electric & Manufacturing Company
        Object number: VT4987
        Westinghouse Electric & Manufacturing Company
        Object number: VT5060
        Westinghouse Electric & Manufacturing Company
        Object number: VT5133
        Westinghouse for RCA WR21 triode tube
        Westinghouse Electric & Manufacturing Company
        Date: 1922
        Object number: VT0342
        Westinghouse for RCA WD11 triode tube
        Westinghouse Electric & Manufacturing Company
        Date: 1922
        Object number: VT0343
        double plate triode
        Westinghouse Electric & Manufacturing Company
        Date: after 1922
        Object number: VT1150