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(1 - 3 of 3)
Wolfgang Pauli and Arnold Sommerfeld
Title
Wolfgang Pauli and Arnold Sommerfeld
Format
photograph: print
Description
Photo was taken in Geneva, Switzerland. Delbruck Papers.
Potentiometer, standard resistance
Title
Potentiometer, standard resistance
Format
photograph: negative
Description
Auxiliary resistance box. Mfg. Otto Wolff, Berlin.
Potentiometer, low resistance standard
Title
Potentiometer, low resistance standard
Format
photograph: negative
Description
Model no. 7521. Also called a resistance box. Wood, brass fittings. Ink circuit diagram inside separate top. Original inventory card on file. Mfg. Otto Wolff, Berlin.