Front:
THE MOON, NINE AND THREE FOURTHS DAYS OLD, PHOTO-
GRAPHED WITH THE 40-INCH TELESCOPE, YERKES OBSERVATORY,
UNIVERSITY OF CHICAGO, WILLIAMS BAY, WISCONSIN. THE DIAM-
ETER OF THE MOON IS 2,160 MILES.
14-WBWR
Back:
ALL REPRODUCTION RIGHTS RESERVED
C. R. CHILDS COMPANY, 5707 W. LAKE ST., CHICAGO
TRADE
REG.
MARK
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