Skip to main content
Advanced Search
Cunningham CX112A triode tube
Cunningham CX112A triode tube

Cunningham CX112A triode tube

Date1927-1932
Inventory NumberVT1248
ClassificationVacuum Tube
Maker E. T. Cunningham, Inc. 1922 - 1931
Maker Radio Corporation of America 1919-present
Cultural Region
    Place of Origin
      Dimensions11.1 × 4.5 × 4.5 cm (4 3/8 × 1 3/4 × 1 3/4 in.)
      Material
        DescriptionX-RAYED FOR ELC 7-14-32.
        Triode, silvered glass envelope, bakelite 4 pin base with locator pin on side. 2 socket pins thcker than the others.
        Signedetched on base: CUNNINGHAM / CX 112-A
        Inscribedraised lettering on base: LICENSED ONLY TO EXTENT / INDICATED ON CARTON
        FunctionDetector Amplifier
        Historical AttributesSample X-Ray for Prof. E. L. Chaffee, July 14, 1932
        Cunningham CX340 triode tube
        Cunningham CX340 triode tube
        E. T. Cunningham, Inc.
        Date: circa 1927
        Object number: VT1405
        Cunningham CX371A power triode tube
        Cunningham CX371A power triode tube
        E. T. Cunningham, Inc.
        Date: 1926-1929
        Object number: VT1398
        Hygrade X112A triode tube used in experiment
        Hygrade X112A triode tube used in experiment
        Hygrade Incandescent Lamp Company
        Date: circa 1931
        Object number: VT1378
        Grant's Songbird 171A power triode tube
        Grant's Songbird 171A power triode tube
        W. T. Grant Company
        Date: 1926-1929
        Object number: VT0379
        Cunningham C327 triode tube
        Cunningham C327 triode tube
        E. T. Cunningham, Inc.
        Date: 1927-1930
        Object number: VT1394
        Cunningham C327 triode tube with short anode
        Cunningham C327 triode tube with short anode
        E. T. Cunningham, Inc.
        Date: 1927-1930
        Object number: VT1607
        Cunningham C327 triode tube
        Cunningham C327 triode tube
        E. T. Cunningham, Inc.
        Date: 1928-1930
        Object number: VT0374
        Tung-Sol 112A triode
        Tung-Sol 112A triode
        Tung-Sol Lamp Works, Inc.
        Date: 1927
        Object number: VT0454
        Cunningham C12 triode tube
        Cunningham C12 triode tube
        E. T. Cunningham, Inc.
        Date: 1923-1926
        Object number: VT0339
        Sterling X171 power triode tube
        Sterling X171 power triode tube
        Naylor Radio Corporation
        Date: 1926-1927
        Object number: VT0375
        RCA Radiotron UX171A power triode tube
        RCA Radiotron UX171A power triode tube
        Radio Corporation of America
        Date: 1926-1930
        Object number: VT1411
        CeCo J71 power triode tube
        CeCo J71 power triode tube
        CeCo Manufacturing Company
        Date: 1927
        Object number: VT1528