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Metra Electronics DAT Combo Manual de usuario Pagina 40

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Dim View
On
A Dark
Subject
You won't
have to grope around
blindly in your darkroom
after
you
install
this
miniature
safe -lighting system.
by Robert Hertzberg, W2DJJ
Why fumble around
in
your photo dark-
room trying to
read
the markings on an
enlarger
lens or a print timer?
The time
you
spend
in
your
darkroom
will be much pleas-
anter
if you install a
very simple lighting
system
using a few inexpensive
parts, most
of
which can be salvaged
from an experi-
menter's "junk
box." Even if
bought new
they cost
little.
The actual
sources
of illumination
are
a
couple
of
pilot -light assemblies
with
red jew-
els and No.
47 miniature
bayonet -base
lamps.
44
These fit
neatly inside
35
-mm
film
cans.
The
holes for them are
made
in the can
with
an
ordinary penknife,
the
metal being
very
soft
aluminum. One can
is mounted on the
piv-
oted
safe
-light
arm
of
the enlarger by a
short
piece
of
brass
or
aluminum,
which
is
bent
to throw the
light upward to the
rim
of the
lens.
The
usefulness of the filter is not im-
paired at all: the
whole
assembly swings
back
and
forth smoothly. The
other
can is
mounted
over
the
face of the
print
timer,
pointing downward.
RADIO -TV
EXPERIMENTER
4
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