Definition of Pantograph
Pan´to`graph
n.
1.
An
instrument
for
copying
plans
,
maps
,
and
other
drawings
,
on
the
same
,
or
on
a
reduced
or
an
enlarged
,
scale
.
2.
An
electrical
conducting
device
consisting
of
a
collapsible
frame
resembling
a
pantograph
{
1
},
connected
to
the
top
of
an
electrically-powered
vehicle
such
as
a
trolley
,
and
used
to
conduct
electrical
current
between
the
vehicle
and
an
overhead
electric
wire
,
which
supplies
the
power
to
the
vehicle
.
The
variable
height
of
the
pantograph
ensures
that
it
can
move
to
follow
variations
in
the
height
of
the
overhead
wires
,
and
thus
make
constant
contact
with
the
wires
.
Skew pantograph
a
kind
of
pantograph
for
drawing
a
copy
which
is
inclined
with
respect
to
the
original
figure
; -
also
called
plagiograph
.
Related Words
mechanical
device
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