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

theodolite – Fennel

The manufacturer's name on the device

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0320
  • Owner: České vysoké učení technické v Praze - Stavební fakulta
  • Manufacturer: Fennel
  • Made: 01.01.1920
  • Length: 295 mm
  • Width: 213 mm
  • Height: 300 mm
  • Weight: 4129 g
  • S/N: 12285

  • cross hairs:
  • NK_052
  • telescope type: reversible
  • tripod connection: tribrach
  • 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: inverted
  • variable telescope length: yes
  • telescope length with retracted eyepiece: 258 mm
  • telescope length with extended eyepiece: 306 mm
  • telescope diameter: 30 mm
  • minimum telescope focusing distance: 2000 mm
  • type of optical plummet: none
  • compass: none
  • horizontal circle diameter: 160 mm
  • main reading scale of the horizontal circle: vernier microscope
  • number of reading scales of the horizontal circle: 2
  • the smallest segment of the horizontal circle: 5´/ 1´
  • setting the horizontal circle to zero: repeating
  • vertical circle: yes
  • segment of the vertical circle: no
  • vertical circle diameter: 140 mm
  • main reading scale of the vertical circle: reading microscope
  • number of reading scales of the vertical circle: 2
  • the smallest segment of the vertical circle: 10´
  • cross level: yes
  • length of the cross level/level parallel with line of collimation: 35 mm
  • bubble length of the cross level/level parallel with line of collimation: 8 mm
  • length of the cross level/level perpendicular with line of collimation: 55 mm
  • bubble length of the cross level/level perpendicular with line of collimation: 10 mm
  • leveling vial: yes
  • length of leveling vial: 65 mm
  • bubble length of the leveling vial: 23 mm
  • striding level: no
  • altitude buble: yes
  • lenght of the altitude level: 45 mm
  • bubble length of the altitude level: 16 mm
  • designed for work: basic work