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Historical Archive 1940–1949

Letter thanking MAS for a donation Letter thanking MAS for a donation to the 20" reflector in Cracow

1947 Public Night Announcemen1947 Public Night Announcement

MAS Hobby Council Display at the Milwaukee AuditoriumMAS Hobby Council Display at the Milwaukee Auditorium

Photo of C.M. PrinslowPhoto of C.M. Prinslow, E.Halbach, & W. Albrecht observing Aurora
National Geographic Magazine