2 entries in Headphone / Earphone
Creators Title Comments & References Year Source Page AA Categories
Ormond McGill Improved Muscle Reading headphones with metal plate on the end of the wire, two versions to find a selected card, first with sleight of hand to elicit a good spectator for muscle reading for second phase
1951 Psychic Magic — Vol. 1 16
Stephen Tucker Ear Ear spectator hears messages from unplugged head phones, to transmit thoughts
1982 Spell-Binder (Vol. 1 No. 10) 180