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

tachymetre – K. Grund

The manufacturer's name on the device
  • K. Grund Prague

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0231
  • Owner: unpublished
  • Manufacturer: K. Grund
  • Made: 01.01.1900
  • Length: 265 mm
  • Width: 144 mm
  • Height: 262 mm
  • Weight: 3580 g
  • S/N: 

  • telescope type: reversible
  • tripod connection: special
  • type of clamp: peripheral clamp
  • compensator: no
  • unite: ° ' "
  • construction of the distance meter: N/A
  • autoreduction of the length: no
  • variable telescope length: yes
  • telescope length with retracted eyepiece: 310 mm
  • telescope length with extended eyepiece: 331 mm
  • telescope diameter: 25 mm
  • type of optical plummet: none
  • compass: none
  • horizontal circle diameter: 145 mm
  • main reading scale of the horizontal circle: vernier
  • number of reading scales of the horizontal circle: 1
  • 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: 80
  • vertical circle diameter: 110 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: yes
  • length of the cross level/level parallel with line of collimation: 64 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: 64 mm
  • bubble length of the cross level/level perpendicular with line of collimation: 8 mm
  • altitude buble: no
  • leveling vial: yes
  • length of leveling vial: 140 mm
  • bubble length of the leveling vial: 25 mm
  • striding level: no
  • sensitivity of the striding level or leveling vial: 25 "
  • sensitivity of the alidade level: 200 "
  • designed for work: basic work