Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 608
F1G. 4. AN OPERATOR RUNNING THE PERFORATED PAPERSTRIP THROUGH THE TELEPOST TRANSMITTER ANDSENDING THE WORDS AT THE RATE OF ONE THOUSANDA MINUTE. worker in the field of telegraphy, Mr. PatrickB. Delany. A new telegraph company, the Telepost, abouta year ago introduced this Delany rapid system,by… … FIG. 5. THE MESSAGE (SEE THE BOTTOM OF THE FIRSTCOLUMN ON THE PRECEDING PAGE) RECEIVED BYCHEMICALLY MADE DOTS AND DASHES ON WHITE PAPERTAPE. IN REALITY THE TAPE IS IN ONE LONG STRIP. This system may be properly called machinetelegraphy, as most of its operations are eitherelectromechanical or…
Children's literature
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