Scientific American Magazine July 1963 Frequency Doubling of Light No Label

Scientific American Magazine October 1963 Afterimage Test Pattern

Scientific American Magazine October 1963 - Afterimage Test Pattern, The First B

Scientific American Magazine June 1963 Noctilucent Clouds No Label

Scientific American Magazine January 1963 Pygmies In The Forest No Label

Scientific American Magazine March 1963 Organic Compounds From Space No Label