Intervallapparatus according to Anton Appunn, Hanau
24 x 52 x 26 cm (h x w x d)

The company Anton Appunn from Hanau near Frankfurt built interval apparatuses for Carl Stumpf's experiments. Together with Appunn, Stumpf conducted sound analyses on the organ as well as psychoacoustic investigations. Later, other companies also offered such acoustic devices.
The Appunn company also built instruments for Hermann von Helmholtz.

Plus de The Center for the History of Psychology presents:

Heiner Ellgring
150 x 100 x 2.5 cm (h x w x d)
The Center for the History of Psychology presents:
Winfried Lohr (1926-2011)
150 x 100 x 2.5 cm (h x w x d)
The Center for the History of Psychology presents:
Christmas party at Chair I, Institute of Psychology
150 x 250 x 2.5 cm (h x w x d)
The Center for the History of Psychology presents:
Understanding pointing gestures
100 x 150 x 2.5 cm (h x w x d)
The Center for the History of Psychology presents:
Observing Eye Movements
120 x 120 x 2.5 cm (h x w x d)
The Center for the History of Psychology presents: