cumulative recorder
Date: circa 1960
Inventory Number: 1999-1-0087
Classification: Cumulative Recorder
Subject:
Maker: Lehigh Valley Electronics
Cultural Region:
Place of Origin:
Dimensions:
without cord: 21.8 × 43.9 × 17.5 cm (8 9/16 × 17 5/16 × 6 7/8 in.)
Description:
A green rectangular structure, without front nor back, holds a large cylindrical drum on which paper was driven forward by a motor. On top of the instrument, an endless screw moves left and right a carriage with an inscribing device (pen missing). A second non-moving pen was used to inscribe data on the margin of the paper. On one side is found the motor that drives the recording drum. A standard electric cord powers the motor.
Signedon sticker plate: Lehigh Valley Electronics
Inscribedon one side: 1516
FunctionTo record operant responses in a Skinnerian conditioning experiment.