Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
6R
The manufacturer's name on the device
- Jos. & Jan Frič Praha
- VÚGTK: S0095
- Owner: Národní technické muzeum
- Manufacturer: J. & J. Frič
- Made: 01.01.1900
- Length: 385 mm
- Width: 260 mm
- Height: 315 mm
- Weight: 8600 g
- S/N: 1216
- cross hairs:
-
- telescope type: reversible
- tripod connection: tribrach
- type of clamp: clamp on the axis
- compensator: no
- unite: ° ' "
- the possibility of determining the elevation: no
- view in the telescope: inverted
- variable telescope length: yes
- telescope length with retracted eyepiece: 385 mm
- telescope length with extended eyepiece: 410 mm
- telescope diameter: 50 mm
- minimum telescope focusing distance: 5800 mm
- telescope magnification: 25
- type of optical plummet: none
- compass: none
- horizontal circle diameter: 190 mm
- main reading scale of the horizontal circle: micrometer knob
- number of reading scales of the horizontal circle: 2
- the smallest segment of the horizontal circle: 2"
- setting the horizontal circle to zero: repeating
- vertical circle: no
- segment of the vertical circle: no
- cross level: yes
- length of the cross level/level parallel with line of collimation: 70 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: 70 mm
- bubble length of the cross level/level perpendicular with line of collimation: 15 mm
- leveling vial: no
- striding level: no
- altitude buble: no
- designed for work: high precise work
