Control Device
30 x 60 x 30 cm (h x w x d)

With this control apparatus of the company Bettendorf many experiments were carried out at the Chair I of the psychological institute.

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Johannes Volkelt 1887 on the study of processes of consciousness
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Historic portal of the Old University
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3D scan of a plaster cast of a bust of Georg Kolbe (1877-1947)
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