Potentiometer, for spontaneous polarisation measurements

Made:
1931
maker:
Henry Tinsley and Company
Portable potentiometer, c.1931, by H

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Portable potentiometer, c.1931, by H
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Portable potentiometer, c.1931, by H. Tinsley, for spontaneous polarisation measurements

Details

Category:
Geophysics
Object Number:
1931-895
credit:
H. Tinsley & Co.