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Scientific Apparatus
Potentiometer, low resistance standard

Model # 7521. Also called a resistance box. Wood, brass fittings. Ink circuit diagram inside separate top. BL ID #802. Original inventory card on file. Manufacturer: Otto Wolff, Berlin, ca 1933.


ID: 1989-00307

Creation Jan. 1, 1933

LENGTH: 17 x 12.5 x 8 inches; QUANTITY: 1

Topics: Electricity

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