Brunson 771 - Page 57

53 Operation and Adjustment Manual
Figure4.16
Levelline
Levelline
ScaleA
ScaleB
ScaleA
ScaleB
Evenwhenthevialisnotadjustedproperly,atelescope’slineofsight
willintersecttwoarbitrarilyplacedscalesatthesameplaceasanarbi‐
trarylevellinewouldintersectthem,aslongasthecoincidencevial
indicateslevelinboththeleft‐lookingandright‐lookingpositions.
Thisisonlytruewhenthetransitisthesamedistancefromeachscale.
Figure4.15
Levelline
Levelline