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

hypsometr

The manufacturer's name on the device
  • JOS. & JAN FRIČ PRAHA

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0165
  • Owner: Národní technické muzeum
  • Manufacturer: J. & J. Frič
  • Made: 01.01.1890
  • Length: 200 mm
  • Width: 125 mm
  • Height: 253 mm
  • Weight: 2320 g
  • S/N: 1220

  • cross hairs:
  • NK_004
  • telescope type: flip over
  • tripod connection: special
  • type of clamp: clamp on the axis
  • compensator: no
  • unite: ° ' "
  • the possibility of determining the elevation: yes
  • elevation screw: no
  • distance meter type: optical
  • construction of the distance meter: integrated
  • distance meter measuring range: 380 m
  • autoreduction of the length: no
  • view in the telescope: inverted
  • variable telescope length: yes
  • telescope length with retracted eyepiece: 200 mm
  • telescope length with extended eyepiece: 216 mm
  • telescope diameter: 25 mm
  • minimum telescope focusing distance: 2600 mm
  • telescope magnification: 20
  • type of optical plummet: none
  • compass: none
  • horizontal circle: no
  • setting the horizontal circle to zero: none
  • vertical circle: yes
  • segment of the vertical circle: no
  • vertical circle diameter: 130 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: 20"
  • cross level: yes
  • length of the cross level/level parallel with line of collimation: 45 mm
  • bubble length of the cross level/level parallel with line of collimation: 5 mm
  • length of the cross level/level perpendicular with line of collimation: 45 mm
  • bubble length of the cross level/level perpendicular with line of collimation: 5 mm
  • length of leveling vial: 74 mm
  • bubble length of the leveling vial: 22 mm
  • striding level: no
  • sensitivity of the striding level or leveling vial: 25 "
  • altitude buble: yes
  • lenght of the altitude level: 75 mm
  • bubble length of the altitude level: 16 mm
  • designed for work: basic work