Adler Planetarium:
1929
Adler Planetarium:
August 28, 1929
Adler Planetarium:
1930
Adler Planetarium:
1930
Adler Planetarium:
1933
Adler Planetarium:
April 28, 1955
Adler Planetarium:
1950's
Adler Planetarium:
January 7, 1959
Adler Planetarium:
April 29, 1960
Adler Planetarium:
March 1968
Adler Planetarium:
1970's
Adler Planetarium:
August 9, 1971
Adler Planetarium:
July 29, 1929
Adler Planetarium:
January 14, 1959
Adler Planetarium:
Adler Planetarium c.1930
Adler Planetarium:
Opening Day May 12, 1930