Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
levelling instrument – J. & J. Frič
The manufacturer's name on the device
- VÚGTK: S0343
- Owner: České vysoké učení technické v Praze - Stavební fakulta
- Manufacturer: J. & J. Frič
- Made: 01.01.1920
- Length: 335 mm
- Width: 137 mm
- Height: 213 mm
- Weight: 2518 g
- S/N:
- cross hairs:
-
- telescope type: rotated
- tripod connection: tribrach
- type of clamp: clamp on the axis
- compensator: no
- unite: ° ' "
- elevation screw: yes
- view in the telescope: inverted
- variable telescope length: yes
- telescope length with retracted eyepiece: 303 mm
- telescope length with extended eyepiece: 335 mm
- telescope diameter: 28 mm
- minimum telescope focusing distance: 1800 mm
- horizontal circle: yes
- horizontal circle diameter: 106 mm
- main reading scale of the horizontal circle: vernier
- number of reading scales of the horizontal circle: 1
- the smallest segment of the horizontal circle: 30´/ 1´
- segment of the vertical circle: no
- cross level: yes
- length of the cross level/level parallel with line of collimation: 45 mm
- bubble length of the cross level/level parallel with line of collimation: 15 mm
- length of the cross level/level perpendicular with line of collimation: 45 mm
- bubble length of the cross level/level perpendicular with line of collimation: 15 mm
- leveling vial: yes
- length of leveling vial: 80 mm
- bubble length of the leveling vial: 30 mm
- striding level: no
- designed for work: basic work
