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vacuum tubes for cathode-ray oscilloscope
vacuum tubes for cathode-ray oscilloscope

vacuum tubes for cathode-ray oscilloscope

Datecirca 1948
Inventory Number1999-1-0039c
ClassificationVacuum Tube
Subject
    Manufacturer Radio Corporation of America 1919-present
    Manufacturer General Electric Company 1892-present
    Cultural Region
      Place of Origin
        Dimensionsbox: 8 × 23 × 27 cm (3 1/8 × 9 1/16 × 10 5/8 in.)
        Material
          DescriptionBox containing ~ 33 tubes vacuum tubes, some in plastic bags, some in small, individual boxes, and some loose. There is a list in the box.
          Signedon boxes: GE on boxes: RCA
          FunctionFor use with the DuMont cathode-ray oscilloscope type 350.
          ProvenanceProfessor John Michael Harrison, Department of Psychology, Boston University, pre-1998; gift to CHSI, 1999.
          stereotope photo-carriage with parallel guides and pantograph
          Zeiss-Aerotopograph
          Date: circa 1950
          Accessories: in wooden storage case with metal handles; documentation booklet is now kept in the instrument's file; all other accessories are kept in the box and are included in the description.
          Object number: 2009-1-0002b
          binocular tubes, eyepieces, filters for a comparator
          Ernst Leitz (company)
          Date: 1951-1960
          Accessories: Two Compens 10x eyepieces; two Zeiss 10x eyepieces; many loose square filters (sized to fit in slots in eyepiece), some in felt bags; eight similar filters mounted in rectangular black metal frames marked (on masking tape) A1, A2, A3, A4, B1, B2, B3, B4; two larger rectangular glass mirrors.
          Object number: 2007-1-0084
          Rakestraw mineral collection with accessories
          George Gilbert Rakestraw
          Date: 1878-1905
          Accessories: microscope in its box (2004-1-0339b) ; bullseye condensers (2003-1-0339c,d); mineralogy books (in the CHSI library)
          Object number: 2004-1-0339a
          box of assorted electric light bulbs
          Sylvania
          Date: late 19th-early 20th Century
          Object number: RS0368
          David W. Latham
          Date: 1979
          Accessories: filters, slit eyepiece, Hartman mask, micrometers
          Object number: 2023-1-0007
          Polaroid Digital Mini Portrait camera-printer
          Polaroid Corporation
          Date: 2003
          Accessories: printer ribbon, power cable, adapter cable, original packing materials, instruction manuals (in object file), and gray card (in object file)
          Object number: 2009-1-0039
          1045c:  Tolles workshop lens gauges.
          Robert B. Tolles
          Date: 1860-1874
          Object number: 1045a-v
          pieces of a cathode from a Radiotron UY-227 vacuum tube
          Radio Corporation of America
          Date: 1920-1930
          Accessories: red cardboard cylinder case
          Object number: VT5195
          RCA Radiola VI table radio receiver and amplifier
          Radio Corporation of America
          Date: 1923
          Object number: RS0039