Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
tachymetre – Kern
The manufacturer's name on the device
- Kern & Co Aarau-Schweiz
- VÚGTK: S0106
- Owner: Národní technické muzeum
- Manufacturer: Kern
- Made: 01.01.1900
- Length: 265 mm
- Width: 175 mm
- Height: 365 mm
- Weight: 5440 g
- S/N: 20117
- cross hairs:
-
- telescope type: special
- tripod connection: tribrach
- type of clamp: clamp on the axis
- compensator: no
- unite: gon
- distance meter type: mechanical
- construction of the distance meter: integrated
- autoreduction of the length: no
- view in the telescope: inverted
- variable telescope length: yes
- telescope length with retracted eyepiece: 260 mm
- telescope length with extended eyepiece: 288 mm
- telescope diameter: 30 mm
- minimum telescope focusing distance: 3950 mm
- telescope magnification: 25
- type of optical plummet: none
- compass: none
- horizontal circle diameter: 140 mm
- main reading scale of the horizontal circle: vernier
- 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: no
- segment of the vertical circle: no
- main reading scale of the vertical circle: vernier
- number of reading scales of the vertical circle: 1
- the smallest segment of the vertical circle: 0,5
- cross level: yes
- length of the cross level/level parallel with line of collimation: 84 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: 98 mm
- bubble length of the cross level/level perpendicular with line of collimation: 23 mm
- altitude buble: no
- leveling vial: no
- striding level: yes
- bubble length of the striding level: 120 mm
- sensitivity of the alidade level: 20 "
- designed for work: basic work
