◆ SpookStack

hi re) ‘) input selector switch or short circuit inside the amplifier because when the input selector switch was turned on to the "play back" position the amplifier ,, allowed the reproduced recorded sound to feed back on the telephone line. bx ACTION TO BE TAKEN hnical Laboratory is presently conducting a toot b 1 which was in use at las Vegas, Nevada, which pe: ed certain r) a play-back of their own conversation. =) —