David White L6-20N, Owner'S Manual, Page: 4 / 20

General Description
Meridian L6-20N Level
Meridian LT6-900N Level-Transit
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1. Telescope objective lens 9. Telescope lock lever
2. Eyepiece 10. Vertical arc
3. Focusing knobs 11. Vertical arc pointer
4. Instrument level vial 12. Vertical clamp
5. Horizontal graduated circle 13. Vertical tangent
6. Horizontal vernier 14. Three leveling screws
7. Horizontal clamp 15. 5/8 x 11 JIS threaded base
8. Horizontal tangent
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