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Image Not Available for A psycho-technical experiment: a white ribbon rotates under the buttons and the watchmen have to punch holes in special places to check their attentiveness.
A psycho-technical experiment: a white ribbon rotates under the buttons and the watchmen have to punch holes in special places to check their attentiveness.
Image Not Available for A psycho-technical experiment: a white ribbon rotates under the buttons and the watchmen have to punch holes in special places to check their attentiveness.

A psycho-technical experiment: a white ribbon rotates under the buttons and the watchmen have to punch holes in special places to check their attentiveness.

Creator Alfred Eisenstaedt (American, 1898 - 1995)
Date1931
Mediumgelatin silver print
DimensionsOverall: 18.2 x 24.5 cm (7 3/16 x 9 5/8 in.)
Credit LineAnonymous Gift, 2002
Category
Object number2002/5308
LocationNot currently on display

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