THE TELEGRAPH. NORSE TELEGRAPH RECEIVER OF 1844—THE FIRST INSTRUMENT RECORDING THE MORSE CODE. MORSE FIRST MODEL—PENDULUM INSTRUMENT OF 1837 SHOW ING THE RECORDING RECEIVER (1) PORTRULE (2) TYPE (3) AND EXAMPLE OF CHARACTERS PRODUCED (4 and 5)., scientific american, 1896-07-11
THE TELEGRAPH. NORSE TELEGRAPH RECEIVER OF 1844—THE FIRST INSTRUMENT RECORDING THE MORSE CODE. MORSE FIRST MODEL—PENDULUM INSTRUMENT OF 1837 SHOW ING THE RECORDING RECEIVER (1) PORTRULE (2) TYPE (3) AND EXAMPLE OF CHARACTERS PRODUCED (4 and 5)., scientific american, 1896-07-11
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