Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
theodolite – Osterland
The manufacturer's name on the device
- not specified
- VÚGTK: S0150
- Owner: Hornicko-geologická fakulta, VŠB-TUO
- Manufacturer: Osterland
- Made: 01.01.1870
- Length: 235 mm
- Width: 175 mm
- Height: 313 mm
- Weight: 5310 g
- S/N:
- cross hairs:
-
- telescope type: flip over
- tripod connection: special
- type of clamp: clamp on the axis
- compensator: no
- unite: ° ' "
- the possibility of determining the elevation: no
- construction of the distance meter: N/A
- view in the telescope: inverted
- variable telescope length: yes
- telescope length with retracted eyepiece: 232 mm
- telescope length with extended eyepiece: 288 mm
- telescope diameter: 21 mm
- minimum telescope focusing distance: 1500 mm
- telescope magnification: 20
- type of optical plummet: none
- compass: integrated
- compass design: circle
- compass diameter: 115 mm
- smallest division of the compass scale: 30´´
- horizontal circle diameter: 120 mm
- main reading scale of the horizontal circle: vernier
- number of reading scales of the horizontal circle: 2
- the smallest segment of the horizontal circle: 1'
- setting the horizontal circle to zero: none
- vertical circle: yes
- segment of the vertical circle: no
- 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
- length of the cross level/level perpendicular with line of collimation: 80 mm
- bubble length of the cross level/level perpendicular with line of collimation: 25 mm
- leveling vial: no
- striding level: yes
- altitude buble: no
- sensitivity of the alidade level: 40 "
- designed for work: precise work
