VERTICAL
MEASUREMENT FOUNDATION
6
1
2
3
4
5
6
7
8
9
10
11
12
13
1) lens;
2) focusing screw;
3) battery compartment cover;
adjustment;
5) screw to switch on and brightness
adjustment of laser plumb down;
6) eyepiece;
7) circular bubble level;
8) foot screws of the tribrach;
9) graduated limb;
10) focusing screw of the plumb down;
11) handle for transportation;
12) adjusting screw of tubular level;
13) tubular level
3. Construction features