1. objective 15. vertical clamp
2. illumination mirror 16. footscrew
3. press button 17. illumination mirror
4. cover 18. optical plummet
5. optical sight 19. cover
6. level 20. circular bubble
7. bayonet ring 21. adjustment screw
8. adjustment screw 22. horizontal drive
9. eyepiece of microscope 23. vertical drive
10. eyepiece of telescope 24. change-over knob
11. focusing sleeve 25. micrometer knob
12. adjustment screw 26. horizonatal clamp
13. plate level 27. carrying handle