40.
The dull side up and identification notches in the upper righthand
corner. (para 56)
41.
Paper safety cover facing the dark slide (down). (para 56)
42.
Spirit level vial (para 57)
43.
Lens board retainer (para 58)
44.
d, focus button (para 59)
45.
46.
Loosen camera mount lock, turn the camera mount adjust knob. (para
510b)
47.
Use the swings and tilts of the front frame. (para 510c)
48.
Rotate the revolving back from vertical to the horizontal position.
(para 510f)
49.
d, speed selector ring (para 511b)
50.
To prevent possible shift of camera position or adjustment. (para
512c)
51.
a, shooting technique (para 61a)
52.
c, (para 62a)
53.
nomenclature and model number (para 62b)
54.
d, (para 63)
55.
a camel's hair brush, air syringe or a gentle blast of moisturefree
56.
Use a circular motion, start from the edge and work toward the
center. (para 66a)
57.
b, (para 72b)
58.
daily and monthly (para 72c)
59.
c, (Table 72.2)
60.
c, (Table 72.7)
61.
b, (para 81i)
133