National 160 SERIES Instructions Manual page 2

Compound biological microscopes
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Models 160 (monocular head), 161 (dual head), 162 (binocular head), 163 (trinocular head), all have the same stand
and stand features...only the head portion differs...illustrated is Model 162.
Widefield 10x/18
eyepiece
Interpupillary scale
Viewing head of microscope
Revolving nosepiece
Objective lenses
Specimen holder
(mechanical stage)
Stage
Abbe condenser 1.25 N.A.
Iris diaphragm lever
Filter holder for 32mm filter
Recess for 45mm filter
Illuminator condenser
Base
Tension adjustment
knob
ON/OFF switch
AC line cord
Fuse
Control knob for
Abbe condenser
Knurled diopter ring
Sliding interpupillary adjustment,
grips located on both left and right
side of diopter scale
Mark on side of eyepiece tube for
indexing diopter reading
Knurled head locking screw
Arm of microscope stand
Two knurled locking screws for
securing specimen holder to stage
Abbe condenser locking screw
Coarse focus knob
Fine focus knob
Knobs controlling X and Y
movement of mechanical
Light intensity
control knob
stage

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