Minolta SR-1 - Extension Tubeset; Photo Oscilloscope Unit

Extension
tubesel
Five varieties
of
extension
singly or
in
combination
to
to
the
object than
9
inches.
tubes
can
be
usecl
get
the
lens closer
Pholo
oscilloscope
unif
As
a result of
the remarkable
developments
in the
electronics industry and
research
work, the use of
cathode
ray tube oscilloscopes
has increased at a
rapid
pace.
This unit can
be
used
for accurate
photography
of
images
in electronics testing
and research.
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