“We do not know!”
“Well! that is very strange! A telegraph system, and its principle unknown!”
“It is just as I tell you. We know how it works, but not why.”
“And was the principle never divulged by the inventor?”
“Never.”
“Surely, he taught you how to make the instruments?”
“Oh, yes; or the system would have been of little worth,” and Mr. Craft smiled at the utter amazement of his listener.
“But I can conceive of no instrument being made by human hands for a specific purpose, unless the principle upon which it was constructed was fully known,” and Junius Cobb shook his head as if doubting the statement of the other.
“The sympathetic telegraph is, however, a manifest success,” continued the President. “It works over miles of country and in every direction, and at each station records the pulsations of the heart of its mate, wheresoever on the face of the earth that mate may be.”