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Decade counter, type DEC-100
Decade counter, type DEC-100

Decade counter, type DEC-100

Datecirca 1970
Inventory Number2006-1-0071
ClassificationCounter
Subject
    Maker Thornton Associates, Inc. fl. 1970 - 1990
    Place of OriginWaltham, Massachusetts, United States
    Dimensions11 × 13 × 9.5 cm (4 5/16 × 5 1/8 × 3 3/4 in.)
    Material
      DescriptionSquare metal box with black anodized aluminum sides.
      transistor switch
      Thornton Associates, Inc.
      Date: circa 1970
      Object number: 2006-1-0074
      DC power supply
      Thornton Associates, Inc.
      Date: circa 1970
      Object number: 2006-1-0073
      sine-wave generator
      Thornton Associates, Inc.
      Date: circa 1970
      Object number: 2006-1-0075
      amplifier-power supply
      Thornton Associates, Inc.
      Date: circa 1970
      Object number: 2006-1-0095
      power supply
      Thornton Associates, Inc.
      Date: circa 1970
      Object number: 2006-1-0076
      H-10 atomic hydrogen maser
      Varian Associates
      Date: circa 1964
      Accessories: metal maker's name plate is on top of the other maser's cavity on B18-E5.
      Object number: 1998-1-1628
      blueprints
      Diffraction Limited, Division of Sanders Associates, Inc.
      Date: 1970-1979
      Object number: RS0323
      steel stand with tilting head
      Laboratory Associates, Inc.
      Date: 1960-1970
      Object number: 2009-1-0053
      radio frequency designations chart
      Sanders Associates, Inc.
      Date: circa 1970
      Object number: 1998-1-1688
      blueprints
      Diffraction Limited, Division of Sanders Associates, Inc.
      Date: 1970-1979
      Object number: RS0320