CAMPBELL, District Judge.
The patent in suit is for a telegraphic sending apparatus, and has a one-piece lever which swings on a spindle or shaft intermediate its ends, with a handle at one end and a free vibrator for making dots and dashes connected directly to its other end.
On the opposite sides of the spindle or shaft two springs, 7 and 8, are arranged for returning the key to normal. Adjustable stops, 15 and 16, on the right...
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