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This dial telegraph is 71/2"
in diameter at the base, and 4" high. Invented by Alexander Bain,
the Vermont and Boston Telegraph Company used Bain's equipment over Morse's
from its begining in 1848 until it was aquired by Western Union in 1866.
It is not known if the Vermont and Boston line used dial telegraphs of
this type. This line was probably the last Bain line in sevice and somewhat
unique in that it did not parallel a Morse line. A University of Vermont
Professor, George Wyllys Benedict, would later work for the Vermont and
Boston as an engineer and would develop and patent his own insulator. For
a general description of how a dial telegraph works click here. |
