Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
theodolite – J. & J. Frič
The manufacturer's name on the device
- Josef & Jan Frič Praha
- VÚGTK: S0056
- Owner: Národní technické muzeum
- Manufacturer: J. & J. Frič
- Made: 01.01.1905
- Length: 134 mm
- Width: 215 mm
- Height: 246 mm
- Weight: 2260 g
- S/N: 3672
- cross hairs:
-
- telescope type: flip over
- tripod connection: tribrach
- 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: 214 mm
- telescope length with extended eyepiece: 236 mm
- telescope diameter: 30 mm
- minimum telescope focusing distance: 2500 mm
- telescope magnification: 25
- type of optical plummet: none
- compass: none
- horizontal circle diameter: 114 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'
- setting the horizontal circle to zero: none
- vertical circle: no
- segment of the vertical circle: yes
- segment's range of vertical circle: 320° - 50˚
- 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: yes
- length of the cross level/level parallel with line of collimation: 60 mm
- bubble length of the cross level/level parallel with line of collimation: 8 mm
- length of the cross level/level perpendicular with line of collimation: 60 mm
- bubble length of the cross level/level perpendicular with line of collimation: 8 mm
- leveling vial: yes
- length of leveling vial: 78 mm
- bubble length of the leveling vial: 18 mm
- striding level: no
- altitude buble: no
- designed for work: basic work
