A Light-Spot Follower Attachment for Potentiometer-Type Chart Recorders.

Extermann, Richard C.

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ERIC Number: EJ010625

Record Type: CIJE

Publication Date: 1969

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A Light-Spot Follower Attachment for Potentiometer-Type Chart Recorders

Extermann, Richard C.

Amer J Phys, 37, 9, 861-863, 69 Sep

Describes an apparatus designed for observing the motion of delicate mechanical systems. The apparatus consists of a light-spot follower attachment connected to a servo-recorder. The oscillations of a triple-torsion pendulum and of a Cavendish balance have been studied. (LC)

Descriptors: College Science, Equipment Utilization, Laboratory Equipment, Measurement, Optics, Physics, Science Activities, Science Equipment

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