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

theodolite – Rost

The manufacturer's name on the device
  • R & A  ROST WIEN

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0152
  • Owner: Hornicko-geologická fakulta, VŠB-TUO
  • Manufacturer: Rost
  • Made: 01.01.1910
  • Length: 243 mm
  • Width: 203 mm
  • Height: 335 mm
  • Weight: 6310 g
  • S/N: 2146

  • cross hairs:
  • NK_004
  • telescope type: flip over
  • 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: 238 mm
  • telescope length with extended eyepiece: 264 mm
  • telescope diameter: 30 mm
  • minimum telescope focusing distance: 2200 mm
  • telescope magnification: 25
  • type of optical plummet: none
  • compass: attachable
  • compass design: circle
  • compass diameter: 115 mm
  • smallest division of the compass scale: 30'
  • horizontal circle diameter: 160 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: 20"
  • setting the horizontal circle to zero: repeating
  • vertical circle: yes
  • segment of the vertical circle: no
  • vertical circle diameter: 125 mm
  • main reading scale of the vertical circle: vernier
  • number of reading scales of the vertical circle: 2
  • the smallest segment of the vertical circle: 30"
  • cross level: yes
  • length of the cross level/level parallel with line of collimation: 65 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: 65 mm
  • bubble length of the cross level/level perpendicular with line of collimation: 12 mm
  • leveling vial: yes
  • length of leveling vial: 118 mm
  • bubble length of the leveling vial: 30 mm
  • striding level: no
  • altitude buble: yes
  • lenght of the altitude level: 85 mm
  • bubble length of the altitude level: 20 mm
  • sensitivity of the striding level or leveling vial: 20 "
  • sensitivity of the altitude level: 20 "
  • designed for work: basic work