HP 5528A User Manual page 193

M odel 5528A
Straightness Measurem e nts
STR AIGHT NESS
RETROAEFLECTOR __
~""J
ALIGN MENT
~~~~----r--
RING
o
\/
INTERFERO METER
Figure 11-6. Alignmenl Ring on Straightness Retroreflecror
Figure 11-7. Initial Pmifion;ng of Refl ecfor
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