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 2160 MILES.
14-WBWR
Back:
REPRODUCTION RIGHTS RESERVED
C. R. CHILDS CO., 5707 LAKE ST., CHICAGO
ORIGINAL CAMERA STUDY
TRADE
REG.
MARK
