Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
Duplex
The manufacturer's name on the device
- Jos. & Jan Frič
- VÚGTK: S0131
- Owner: Hornicko-geologická fakulta, VŠB-TUO
- Manufacturer: J. & J. Frič
- Made: 01.01.1886
- Length: 200 mm
- Width: 200 mm
- Height: 277 mm
- Weight: 4650 g
- S/N: 119
- cross hairs:
-
- telescope type: revolved
- tripod connection: tribrach
- type of clamp: clamp on the axis
- compensator: no
- unite: ° ' "
- the possibility of determining the elevation: yes
- distance meter type: optical
- construction of the distance meter: integrated
- view in the telescope: inverted
- variable telescope length: yes
- telescope length with retracted eyepiece: 190 mm
- telescope length with extended eyepiece: 205 mm
- telescope diameter: 25 mm
- minimum telescope focusing distance: 3000 mm
- telescope magnification: 25
- type of optical plummet: none
- compass: integrated
- compass design: tubular compass
- smallest division of the compass scale: 30'
- horizontal circle diameter: 130 mm
- main reading scale of the horizontal circle: microscope scale
- number of reading scales of the horizontal circle: 2
- the smallest segment of the horizontal circle: 1'
- setting the horizontal circle to zero: repeating
- vertical circle: yes
- segment of the vertical circle: no
- vertical circle diameter: 95 mm
- main reading scale of the vertical circle: vernier
- number of reading scales of the vertical circle: 2
- the smallest segment of the vertical circle: 1'
- cross level: yes
- length of the cross level/level parallel with line of collimation: 65 mm
- bubble length of the cross level/level parallel with line of collimation: 13 mm
- length of the cross level/level perpendicular with line of collimation: 65 mm
- bubble length of the cross level/level perpendicular with line of collimation: 12 mm
- leveling vial: no
- striding level: no
- altitude buble: yes
- lenght of the altitude level: 55 mm
- bubble length of the altitude level: 15 mm
- designed for work: special work
