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

theodolite – Eichler

The manufacturer's name on the device
  • HERMANN EICHLER AUSSIG A./E.

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0136
  • Owner: Hornicko-geologická fakulta, VŠB-TUO
  • Manufacturer: Eichler
  • Made: 01.01.1900
  • Length: 173 mm
  • Width: 145 mm
  • Height: 230 mm
  • Weight: 3560 g
  • S/N: 3524

  • cross hairs:
  • NK_001
  • telescope type: flip over
  • tripod connection: tribrach
  • type of clamp: clamp on the axis
  • compensator: no
  • unite: ° ' "
  • the possibility of determining the elevation: no
  • variable telescope length: yes
  • telescope length with retracted eyepiece: 158 mm
  • telescope length with extended eyepiece: 190 mm
  • telescope diameter: 23 mm
  • minimum telescope focusing distance: 1400 mm
  • telescope magnification: 12.5
  • type of optical plummet: none
  • compass: none
  • horizontal circle diameter: 135 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
  • cross level: no
  • leveling vial: yes
  • length of leveling vial: 75 mm
  • bubble length of the leveling vial: 20 mm
  • striding level: no
  • altitude buble: no
  • sensitivity of the striding level or leveling vial: 15 "
  • designed for work: basic work