Inner Chamber Mentalphysics #79/80
The Inner Chamber of the Science of Mentalphysics Commentary 79/80. Science of Mentalphysics, Ding Le Mei
Undated circa 1950's three hole punch paper with two inside staples. Numbered pages 74-81 with blank THIS SPACE IS FOR YOUR OWN NOTES pages in between. Center vertical crease. Nice condition with clean pages and light corner creases. About 8-1/2 x 10-3/4. Scarce!