Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
theodolite – Spitra
The manufacturer's name on the device
- O. Spitra Prague
- VÚGTK: S0050
- Owner: Národní technické muzeum
- Manufacturer: Spitra
- Made: 01.01.1880
- Length: 250 mm
- Width: 160 mm
- Height: 314 mm
- Weight: 3200 g
- S/N:
- telescope type: rotated
- tripod connection: special
- 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: erected
- variable telescope length: yes
- telescope length with retracted eyepiece: 243 mm
- telescope length with extended eyepiece: 255 mm
- telescope diameter: 28 mm
- minimum telescope focusing distance: 2900 mm
- telescope magnification: 17
- type of optical plummet: none
- compass: attachable
- compass design: circle
- smallest division of the compass scale: 1˚
- setting the horizontal circle to zero: none
- vertical circle: yes
- segment of the vertical circle: yes
- segment's range of vertical circle: -40° - +40°
- main reading scale of the vertical circle: vernier
- number of reading scales of the vertical circle: 1
- the smallest segment of the vertical circle: 2'
- cross level: yes
- length of the cross level/level parallel with line of collimation: 75 mm
- bubble length of the cross level/level parallel with line of collimation: 12 mm
- length of the cross level/level perpendicular with line of collimation: 75 mm
- bubble length of the cross level/level perpendicular with line of collimation: 12 mm
- leveling vial: no
- striding level: no
- altitude buble: no
- sensitivity of the alidade level: 70 "
- designed for work: basic work
