that at the sending end stopped by the pin, and closes another local circuit energizing the "second contact magnet" and the print- the attention of tlie general public. The zerograph of the line, if the two arms move with equal velocity. The same local circuit at each end is therefore closed, does… … from the following description and a reference to that the instrument can transmit 25 words a minute. As evident from the description, how- Fig. 2. The keys. A, of which one is shown in the Fig. l.-THE ZEBOGBAFH. diagram, are connected to vertical pins, B, ar- ever, everything depends on the…
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