who telegraphed back: “You have my sym- circuit were a series of 12 Leyden jars. Dr. De Forest the ScirNnTiFIc AMERICAN at the time, these experi- pathy. I hear your engine slowing down.” has discovered that the relative positions of the jars ments were very successful. We are now enabled to Those… … switch B, adjustable inductance K L, adjustable at the high speed at which messages were sent, the capacity N, responder O, and back through UM, IN AN OLD MARTELLO TOWER. normal rate being about thirty words a minute. switch, B, and condenser J to the earth. The o-oo ——- give our readers a complete…
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