- of
electrical engineering. Text
telegraphy consisted of two
or more
geographically separated stations,
called telegraph offices. The
offices were connected...
- long distances, i.e., for
telegraphy. The word
telegraph alone generally refers to an
electrical telegraph.
Wireless telegraphy is
transmission of messages...
-
about 1910, the term
wireless telegraphy was also used for
other experimental technologies for
transmitting telegraph signals without wires. In radiotelegraphy...
- A
telegraph key
or Morse key is a
specialized electrical switch used by a
trained operator to
transmit text
messages in
Morse code in a
telegraphy system...
- telegraphs" or "Napoleonic semap****".
Optical telegraphy dates from
ancient times, in the form of
hydraulic telegraphs,
torches (as used by
ancient cultures since...
- century.
Telegraph service permitted short texts to be sent
cheaply and
arrive in a
matter of
minutes to hours,
instead of days
or w****s.
Telegraphy facilitated...
-
Acoustic telegraphy (also
known as
harmonic telegraphy) was a name for
various methods of
multiplexing (transmitting more than one)
telegraph messages...
-
carried telegraphy traffic,
establishing the
first instant telecommunications links between continents, such as the
first transatlantic telegraph cable...
- the
development of
wireless telegraphy".
Marconi was also an entrepreneur, businessman, and
founder of The
Wireless Telegraph &
Signal Company in the United...
-
Transatlantic telegraph cables were
undersea cables running under the
Atlantic Ocean for
telegraph communications.
Telegraphy is an
obsolete form of communication...