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An Automatic Field-Analog Plotting Device

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1 Author(s)
Schenck, Hilbert ; Department of Mechanical Engineering, Clarkson College of Technology, Potsdam, N. Y.

A device is described which samples the potentials of a 90-node resistance-grid analog computer and turns on lamps whenever it finds a potential higher than a set value. The resulting lamp pattern displays to watching students the approximate location of a given line of equal potential; a series of such lines can be successively illuminated by progressively increasing the voltage across the resistance-grid model. Application of the device to various teaching situations is briefly considered.

Published in:

Education, IEEE Transactions on  (Volume:6 ,  Issue: 2 )