Archives Catalog Entry
Potentiometer, international Ohm
Serial # 6680. Imported by James Biddle, Philadelphia. Very similar to ST-MU-6, but larger. Calibration record inside top is dated Nov. 1947. Original inventory card in file, gives BL ID# 80017. Manufacturer: Otto Wolff, Berlin, ca 1927.
Jan. 1, 1927
LENGTH: 18.5 x 11 x 8 inches; QUANTITY: 1
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