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fan for cathode-ray oscilloscope
fan for cathode-ray oscilloscope

fan for cathode-ray oscilloscope

Datecirca 1948
Inventory Number1999-1-0039b
ClassificationOscilloscope
Subject
    Cultural Region
      Dimensions11.8 x 11.8 x 6.7 cm (4 5/8 x 4 5/8 x 2 5/8 in.)
      Material
        DescriptionBlack fan inside a square metal frame. Motor is at the back. Orange wire used to hang the fan upright inside the oscilloscope.

        To attach the fan: open the flap at the back of the oscilloscope and hang it on the screw. Plug fan motor into the lead socket connector.
        Signedon front: ARCHER
        FunctionFan designed to keep cool the DuMont cathode-ray oscilloscope type 350.
        ProvenanceProfessor John Michael Harrison, Department of Psychology, Boston University, pre-1998; gift to CHSI, 1999.
        dual-beam oscilloscope
        Tektronix, Inc.
        Date: circa 1960
        Accessories: power cord; instruction manual; note (inside manual)
        Object number: 2008-1-0111
        electric DC motor, fan, and light
        Date: circa 1889
        Object number: 1997-1-1323
        motor and fan
        Fred M. Kimball & Company
        Date: 1890-1900
        Object number: 1997-1-0517
        electric fan
        Burnham Electric Company
        Date: circa 1900
        Object number: RS1202
        Empty box used for Edison fan motor battery storage
        Edison Manufacturing Company
        Date: circa 1900
        Object number: RS0393
        Green wooden storage box containing radio coils and variometers
        General Radio Company
        Date: late 19th-early 20th Century
        Object number: RS0175
        dry-wet bulb thermometer
        American
        Date: early 20th Century
        Object number: 1996-1-0429
        James triple-cased pocket watch with Japanese hours
        N. James
        Date: 1700-1725
        Accessories: winding key
        Object number: 7935
        Oscilloscope
        Allen B. Du Mont Laboratories, Inc
        Date: circa 1950
        Accessories: operating and maintenance manual for "cathode ray oscillograph types 304-A and 304-AR" in library
        Object number: 2003-1-0174