Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
levelling instrument – Spitra
The manufacturer's name on the device
- O. Spitra Prag.
- VÚGTK: S0163
- Owner: Národní technické muzeum
- Manufacturer: Spitra
- Made: 01.01.1865
- Length: 315 mm
- Width: 145 mm
- Height: 244 mm
- Weight: 2920 g
- S/N:
- cross hairs:
-
- telescope type: reversible
- tripod connection: special
- type of clamp: endless
- compensator: no
- unite: ° ' "
- elevation screw: yes
- distance meter type: optical
- construction of the distance meter: integrated
- view in the telescope: erected
- variable telescope length: yes
- telescope length with retracted eyepiece: 312 mm
- telescope length with extended eyepiece: 334 mm
- telescope diameter: 22 mm
- minimum telescope focusing distance: 3350 mm
- telescope magnification: 25
- horizontal circle: yes
- horizontal circle diameter: 130 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: 1'
- segment of the vertical circle: yes
- segment's range of vertical circle: 40°
- vertical circle diameter: 120 mm
- main reading scale of the vertical circle: vernier
- number of reading scales of the vertical circle: 1
- the smallest segment of the vertical circle: 1'
- cross level: no
- leveling vial: yes
- length of leveling vial: 135 mm
- bubble length of the leveling vial: 26 mm
- striding level: no
- sensitivity of the striding level or leveling vial: 60 "
- designed for work: basic work
