Figure 6-4. Plexiglas spacer block 5 cm thick
and lead aperture plate with a hole in the middle.
c. Densitometer.
d. Recording data form.
6-15. PROCEDURE
a. Prepare the equipment to be tested.
b. Position an 8- x 10-inch cassette in the Bucky tray (see figure 6-5).
MD0062
6-9
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