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

levelling instrument – J. & J. Frič

The manufacturer's name on the device
  • JOSEF & JAN FRIČ

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0162
  • Owner: Národní technické muzeum
  • Manufacturer: J. & J. Frič
  • Made: 01.01.1885
  • Length: 320 mm
  • Width: 85 mm
  • Height: 140 mm
  • Weight: 1300 g
  • S/N: 597

  • telescope type: N/A
  • tripod connection: special
  • type of clamp: endless
  • compensator: no
  • unite: ° ' "
  • elevation screw: yes
  • variable telescope length: no
  • horizontal circle: yes
  • horizontal circle diameter: 85 mm
  • main reading scale of the horizontal circle: index
  • number of reading scales of the horizontal circle: 1
  • the smallest segment of the horizontal circle: 20´
  • segment of the vertical circle: no
  • cross level: no
  • leveling vial: yes
  • length of leveling vial: 83 mm
  • bubble length of the leveling vial: 22 mm
  • striding level: no
  • designed for work: low precise work