Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století

levelling instrument – Kern

The manufacturer's name on the device
  • J. Kern Aarau

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0017
  • Owner: Národní technické muzeum
  • Manufacturer: Kern
  • Made: 01.01.1874
  • Length: 88 mm
  • Width: 187 mm
  • Height: 194 mm
  • Weight: 2330 g
  • S/N: 

  • cross hairs:
  • NK_001
  • telescope type: reversible
  • tripod connection: pin with 4 horizontal screws
  • type of clamp: none
  • compensator: no
  • unite: ° ' "
  • elevation screw: yes
  • view in the telescope: inverted
  • variable telescope length: yes
  • telescope length with retracted eyepiece: 298 mm
  • telescope length with extended eyepiece: 314 mm
  • telescope diameter: 31 mm
  • minimum telescope focusing distance: 9800 mm
  • telescope magnification: 11.5
  • horizontal circle: yes
  • horizontal circle diameter: 80 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: 3'
  • segment of the vertical circle: no
  • cross level: no
  • leveling vial: no
  • striding level: yes
  • bubble length of the striding level: 158 mm
  • designed for work: basic work