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The reader sees, therefore, first, that the dot-and-line alphabet can be employed by any being who has command of any long and short symbols, be they long and short notches, such as Robinson Crusoe kept his accounts with, or long and short waves of electricity, such as these which Valentia is sending across to the Newfoundland Bay, so prophetically and appropriately named "The Bay of Bulls."
Within my narrow circle of acquaintance, therefore, there were these simultaneous instances, where the same message was seen, heard, smelled, tasted, and felt. So universal is the dot-and-line alphabet, for Bain's is on the same principle as Morse's.
I see, as I write, that the particular illustrations I have given are all of them confined to signals seen or signals heard. But the dot-and-line alphabet, in the few years of its history, has already shown that it is not restricted to these two senses, but makes itself intelligible to all. Its message, of course, is heard as well as read.
The telegraph, which has given the world a new nervous system, being less an invention than an evolution, had from the labors of Prof. Joseph Henry, in Albany, and of Wheatstone, of England, become, by Morse's invention of the dot-and-line alphabet, a far-off writer by which men could annihilate time and distance.
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