The Theosophical
Society in Australia

With International Headquarters at Adyar, Chennai, India.

Transmittance Curves of Photographic Filters for use in Experiments on "Etheric Vision" (II)

PublicationScience Group Journal
Yeary1965
Volumev9
Issue-
MonthMay-Jun
Pagep109
Author(s)MG Hocking
Notes-
Tags-