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

theodolite – Spitra

The manufacturer's name on the device
  • O.Spitra in Prag

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0133
  • Owner: Hornicko-geologická fakulta, VŠB-TUO
  • Manufacturer: Spitra
  • Made: 01.01.1875
  • Length: 380 mm
  • Width: 175 mm
  • Height: 275 mm
  • Weight: 4840 g
  • S/N: 

  • telescope type: reversible
  • tripod connection: tribrach
  • type of clamp: peripheral clamp
  • compensator: no
  • unite: ° ' "
  • view in the telescope: erected
  • variable telescope length: yes
  • telescope length with retracted eyepiece: 380 mm
  • telescope length with extended eyepiece: 406 mm
  • telescope diameter: 25 mm
  • minimum telescope focusing distance: 2350 mm
  • telescope magnification: 20
  • type of optical plummet: none
  • compass: attachable
  • compass design: circle
  • compass diameter: 108 mm
  • smallest division of the compass scale: 30'
  • horizontal circle diameter: 175 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: none
  • vertical circle: no
  • segment of the vertical circle: yes
  • segment's range of vertical circle: 90
  • vertical circle diameter: 160 mm
  • main reading scale of the vertical circle: vernier
  • number of reading scales of the vertical circle: 1
  • the smallest segment of the vertical circle: 1'
  • cross level: no
  • leveling vial: no
  • striding level: no
  • altitude buble: no
  • designed for work: low precise work