Argus C3 - Page 29

geor
segment.
The speeds escopement then slows down the rototion
of the moin
drive
column to hold
the blodes open.
SPEED CAM
RETARD LEVER
PIN ON FIRST
GEAR
SEGMENT
ESCAPEMENT
FIGURE
36
We con
chonge the omount
of retord
by
turning
the speed
knob on the front of
the
comero.
The
speed
knob turns the speed
com, Fig.
36, to control the
position
of the retord
lever. And
the
retord lever,
in
turn, controls the position
of the spring-looded
tirst
geor
segment.
Notice thoi
the speed
com olso controls
the
position
of the
BULB
LEVER,
Fig.37. At
oll of the instontoneous speeds,
the
speed
com holds the lotching
end of the
bulb
lever
down
--owoy
from
the
BULB
LUG on
the mqin
drive
column.
FIGURE
37 SHUTTER
HELD OPEN
ON
''BULB''
But ot the
"bulb"
setting,
Fig.37, the speed
com ollows the
spring-looded
bulb leverfoswing
up.
Now,
when
you releose
the
30
SHUTTER
HELD OPEN
ON
''BULB''