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motor driven x-ray time switch
motor driven x-ray time switch

motor driven x-ray time switch

Inventory Number2012-1-0056
ClassificationSwitch
Subject
    Maker Nucleonic Corporation of America founded 1949
    User Department of Physics, Harvard University founded 1884
    Cultural Region
      Place of Origin
        Place of Use
          Dimensions19.1 × 19.7 × 21.9 cm (7 1/2 × 7 3/4 × 8 5/8 in.)
          Material
            Signedplate on back: NUCLEONIC CORP. OF AMERICA / MODEL NO. T2-A / SERIAL NO. 4N1
            Inscribedprinted in orage on top: 247
            Historical AttributesUsed for instruction in the course PHYS 247 at the Department of Physics, Harvard University.
            transistorized five decade scale
            transistorized five decade scale
            Nucleonic Corporation of America
            Accessories: Manual
            Object number: 2012-1-0055
            Reversing switch, motor operated
            Reversing switch, motor operated
            Object number: RS1174
            Foot-Activated Switch
            Foot-Activated Switch
            SoundScriber Corporation
            Object number: WJ1079
            Foot-Activated Switch
            Foot-Activated Switch
            SoundScriber Corporation
            Object number: WJ1078
            Pressure switch, Type H. The Mercoid Corporation
            Pressure switch, Type H. The Mercoid Corporation
            Mercoid Corporation
            Object number: RS0957
            Switch Trigger for Electronic Switch - Grason-Statler 829
            Switch Trigger for Electronic Switch - Grason-Statler 829
            Object number: WJ1051
            reversing switch, or electrepeter
            reversing switch, or electrepeter
            Daniel Davis, Jr.
            Date: circa 1842
            Object number: 0137
            reversing switch, or electrepeter
            reversing switch, or electrepeter
            Daniel Davis, Jr.
            Date: circa 1842
            Object number: 0138
            Lever Switch
            Lever Switch
            Yaxley Manufacturing Company
            Accessories: None
            Object number: WJ1067
            Single pull single throw (SPST) switch
            Single pull single throw (SPST) switch
            Cutler-Hammer
            Accessories: Stored in "BARRISTER" cigar box
            Object number: 1998-1-1512
            key-operated switch, S.P.D.T., for electrometer
            key-operated switch, S.P.D.T., for electrometer
            Fritz Köhler
            Date: late 19th-early 20th Century
            Object number: 0384
            bridge testing switch
            bridge testing switch
            Leeds & Northrup Company
            Date: late 19th-early 20th Century
            Accessories:
            Object number: 0283