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Online Archive of California
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1602
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Goldberger, Marvin L.
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1927
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Scientific Instruments
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Title
Potentiometer, International OHM
Format
photograph: negative
Description
Serial no. 6680. Very similar to ST-MU-06, but larger. Calibration record inside top is dated Nov. 1947. Imported by James Biddle, Philadelphia. Mfg: Otto Wolff, Berlin.