Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
other devices for measuring angle – J. & J. Frič
The manufacturer's name on the device
- JOSEF & JAN FRIČ - PRAHA
- VÚGTK: S0228
- Owner: Technické muzeum v Brně
- Manufacturer: J. & J. Frič
- Made: 01.01.1895
- Length: 870 mm
- Width: 93 mm
- Height: 163 mm
- Weight: 2410 g
- S/N: 3171
- cross hairs:
-
- telescope type: revolved
- tripod connection: N/A
- type of clamp: clamp on the axis
- compensator: no
- unite: ° ' "
- the possibility of determining the elevation: yes
- construction of the distance meter: integrated
- distance meter type: optical
- altitude buble: no
- view in the telescope: inverted
- variable telescope length: yes
- telescope length with retracted eyepiece: 178 mm
- telescope length with extended eyepiece: 204 mm
- telescope diameter: 21 mm
- minimum telescope focusing distance: 1300 mm
- telescope magnification: 17
- type of optical plummet: none
- compass: none
- horizontal circle: no
- setting the horizontal circle to zero: none
- vertical circle: yes
- segment of the vertical circle: no
- vertical circle diameter: 110 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: 10´
- cross level: no
- length of the cross level/level perpendicular with line of collimation: 50 mm
- bubble length of the cross level/level perpendicular with line of collimation: 11 mm
- striding level: no
- designed for work: basic work
