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Duplexing
[dju:pleksiŋ]
Examples
It
will
be
seen
,
therefore
,
that
this
method
of
duplexing
is
practiced
,
not
by
varying
the
strength
or
polarity
,
but
by
sending
TWO
KINDS
OF
CURRENT
over
the
wire
.
Frank Lewis Dyer.
Edison, His Life and Inventions
.
Edited by Ahmed