The Theosophical
Society in Australia

With International Headquarters at Adyar, Chennai, India.

Transmittance Curves of the Ilford Filters used in Recent Experiments on "Etheric Vision" (I)

PublicationScience Group Journal
Yeary1965
Volumev9
Issue-
MonthMar-Apr
Pagep42
Author(s)MG Hocking
Notes-
Tags-