Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 139
le the two cables were connected at Newfoundland without bat-tery, and the signals thence were given by alternately breaking andclosing the circuit. In the first set no communication was madewith earth; 18 signals from Valencia, and 7 from Newfoundlandbeing recorded at both stations. In the second… … Cable of1866 Cable of 1865
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