Telescope motor circuit
RESTRICTED
The telescope motor circuit goes from the
number two poie to the telescope motor switch,
from the switch to the terminal bleck,
branches
through the fieid coils and governor points.
The
current goes through the governor points to the
armature through
the armature
to the
terminal
block and back to the number cne pole.
The cur-
rent to the field
coils goes through
the coils,
wired in parallel with the armature, to the ter-
minal block to the ground pole.
armature of
the telescope motor is wired in series with
governor points.
Thus when
the points is broken the motor stops.
This ar-
rangement controls the speed of the telescope
motor.
R.
M-6 Sight
1. Improve-
1.
One wire electrical system (additional wires
ments
crossing bearings).
and Chan-
2.
Removable eyepiece to allow easy cleaning and
ges of
installation of filters.
M-6
3.
Front view glass
is easily removable.
Series
4.
A luminous dial on telescope and rate indica-
Over
M-3
tors.
5.
Series
Double precessing knobs. Spring tension only
on the
large
knob
for fine
and the
small knob, for coarse adjustments,
adjustments's direct
contact.
6.
70°
Increased sighting and dropping angle, i.e.
N.O.P.
7.
additional forward view mechanism ladds 70 ir
A-6 sinhts and 200
additional in M-E-M and M-9
#649
sights.)
...8.
pin
is used
to attach the sight to stabili-
zers instead of
locking nut.
N.O.P.
The
trail and cross
trail mechanism are
re -
#650
designed
to accommodate 150 miles each.
Trail in
cross trail mechanism is automatically set in with
trail.
double cable
and an extra sheave are used to
*-ansmit
the tension of a mi-ro- return
spring.
F: c.
37
The
*Elescope is sem! - gid and tilts for
cross
ira:: only.
12.
optical mirror rotates instead of the tele-
scope.
13.
The trigger is a
squeeze type release trigger.
14. The bubble light is a part of the bubble mount-
ing
block.
83