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Image Not Available for A typical practice of the new ocular welfare method called "the big swing". The eye must fix on an object during the fraction of the movement time.
A typical practice of the new ocular welfare method called "the big swing". The eye must fix on an object during the fraction of the movement time.
Image Not Available for A typical practice of the new ocular welfare method called "the big swing". The eye must fix on an object during the fraction of the movement time.

A typical practice of the new ocular welfare method called "the big swing". The eye must fix on an object during the fraction of the movement time.

Date1930s
Mediumgelatin silver print
DimensionsOverall: 18.3 x 23.1 cm (7 3/16 x 9 1/8 in.)
Credit LineAnonymous Gift, 2002
Category
    Object number2002/7891
    LocationNot currently on display

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