Rotate the alidade (the upper body of the theodolite) until the plate spirit level runs parallel to any two of the three leveling footscrews.
Features three leveling footscrews and a circular spirit level for rough leveling, paired with a highly sensitive plate bubble vial for fine leveling. hilger watts theodolite manual
Rotate back to the original position to verify, and repeat if necessary until the bubble remains centered regardless of which way the instrument faces. 4. Reading the Optical Circles (Microptic System) Rotate the alidade (the upper body of the
The three-armed base casting housing the leveling footscrews and the circular spirit level. This public link is valid for 7 days
The Ultimate Guide to the Hilger & Watts Theodolite Manual: Operation and Maintenance
Designed to withstand challenging field conditions.
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