1967 Hi-FiDo Subliminal Sound Device Vintage Ad
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Ad Summary: Hi-FiDo Subliminal Sound Device vintage advertisement. Canine Behavior Institute, 11927 Montana Avenue, Dept. BH 117, Los Angeles, California 90049. (213) 479-7606.
Publication Year: 1967
Publication: Better Homes and Gardens ~ November 1967
Approximate Ad Size (in inches): 2 x 2-3/4
Note: The ad comes sleeved and in a rigid 3" x 4" topload card holder. Torn corners, see photos.