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Image Not Available for power supply for interval timer
power supply for interval timer
Image Not Available for power supply for interval timer

power supply for interval timer

Date1952-1955
Inventory NumberWJ0546
ClassificationPower Supply
Subject
    Maker Grason-Stadler Company founded 1949
    Place of Origin
      Dimensions13.5 × 50 × 25.5 cm (5 5/16 × 19 11/16 × 10 1/16 in.)
      DescriptionMounted in instrument rack #17 (WJ0648)
      Signedetched and white filled on front panel: POWER SUPPLY / FOR I.T. MODEL 47 / GS (logo) / grason / GRASON-STADLER CO. / CAMBRIDGE 38, MASSACHUSETTS
      Curatorial Remarksfor I.T. model 471 located in basement of William James Hall in the Stevens display weight is an estimate and not necessarily accurate
      Historical AttributesUsed in the Psycho-Acoustic Laboratory (PAL) in Memorial Hall, Harvard University.
      F500162.pdf
      power supply for pulse generator
      Grason-Stadler Company
      Date: 1955-1962
      Object number: WJ0950
      Image Not Available for interval timer
      interval timer
      Grason-Stadler Company
      Date: circa 1955
      Object number: WJ0644
      Image Not Available for electronic switch 829
      electronic switch 829
      Grason-Stadler Company
      Date: circa 1955
      Object number: WJ0309
      Image Not Available for pulse generator, audio
      pulse generator, audio
      Grason-Stadler Company
      Date: circa 1955
      Object number: WJ0450
      Image Not Available for Light Panel
      Light Panel
      Grason-Stadler Company
      Date: 1962-1965
      Object number: WJ0972
      Image Not Available for Grason-Stadler Type E783B Relay Bank
      Grason-Stadler Type E783B Relay Bank
      Grason-Stadler Company
      Date: 1955-1962
      Object number: WJ0966
      Image Not Available for Controller module for operant conditioning experiments
      Controller module for operant conditioning experiments
      Grason-Stadler Company
      Date: 1962-1965
      Object number: WJ1014
      Image Not Available for Grason-Stadler Type E783B Relay Bank
      Grason-Stadler Type E783B Relay Bank
      Grason-Stadler Company
      Date: 1955-1962
      Object number: WJ0967
      Image Not Available for DC Power Supply
      DC Power Supply
      Date: circa 1959
      Object number: WJ1008
      Stablilizer power supply, model 323M, Power Designs Inc.
      Stablilizer power supply, model 323M, Power Designs Inc.
      Power Designs Inc.
      Object number: RS1087
      Stabilized power supply, model 205M, Power Designs Inc.
      Stabilized power supply, model 205M, Power Designs Inc.
      Power Designs Inc.
      Object number: RS1046
      regulated power supply, model 28
      regulated power supply, model 28
      Lambda Electronics Corporation
      Date: 1940-1960
      Object number: RS1051