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Page Title:
Figure 1-5. Lensboard assembly. |
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  aluminum vacuum back valve housing (1) with a valve
Paragraph 1-3 c is changed to read:
control knob (13). A flexible rubber hose (12) extending
c. Vacuum Back Assembly. This assembly (2, fig.
through the back support plate is clamped to the vacuum
1-4) is hinged to and supported by the camera back
elbow (14) which is fastened to the vacuum back plate".
housing, and consists of a door, with a suction plate on
Page 1-4. Figure 1-5 is superseded as follows.
the inner side and a vacuum back plate on the other
side. Attached to the vacuum plate is an
1
Lensboard side frame
2
Lensboard
3
Lens
4
Flash lamp switch
5
Flash lamp adjustment screw
6
Adjustment screw: thumb, 1/4 x 20 x 1
7
Lensboard horizontal adjustment hand-, heel
8
Camera rail
9
Lensboard carriage base plate
10
Limit switches
11
Holding stud and locknut
12
Lensboard vertical adjustment hand wheel
13
Lensboard arc lamp switch
14
Lensboard shutter switch
15
Clamp
16
Clamp screen
17
Inner lensboard frame
18
Lens mounting frame
Figure 1-5. Lensboard assembly.
6
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