in the obscure background which were wholly irrelevant
back cover, detail
(rotated, cropped, levels adjusted)
ex Anna Sophie Rogers. An Analytical Study of Visual Perceptions. Dissertation, University of Illinois, 1917. reprinted from the American Journal of Psychology 28 (October 1917) : 519-577
University of Michigan copy, digitized October 3, 2006
There were many more processes, however, in the obscure background which were wholly irrelevant to the perception and which have therefore not been included.
dust storm; approaching storm; irrelevance; obscurity
Anna Sophie Rogers