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

tachymetre – Feinmess Dresden

The manufacturer's name on the device
  • Optik Feinmess Dresden VEB

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0120
  • Owner: Vysoké učení technické v Brně
  • Manufacturer: Feinmess Dresden
  • Made: 01.01.1949
  • Length: 240 mm
  • Width: 185 mm
  • Height: 316 mm
  • Weight: 4885 g
  • S/N: 23465

  • cross hairs:
  • NK_015
  • telescope type: revolved
  • tripod connection: tribrach
  • type of clamp: clamp on the axis
  • compensator: no
  • unite: ° ' "
  • distance meter type: optical
  • construction of the distance meter: integrated
  • autoreduction of the length: no
  • view in the telescope: inverted
  • variable telescope length: no
  • telescope length with retracted eyepiece: 245 mm
  • telescope diameter: 40 mm
  • minimum telescope focusing distance: 3000 mm
  • telescope magnification: 28
  • 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: 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: 115 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: 60 mm
  • bubble length of the cross level/level parallel with line of collimation: 7 mm
  • length of the cross level/level perpendicular with line of collimation: 60 mm
  • bubble length of the cross level/level perpendicular with line of collimation: 20 mm
  • altitude buble: yes
  • lenght of the altitude level: 70 mm
  • bubble length of the altitude level: 13 mm
  • leveling vial: yes
  • length of leveling vial: 85 mm
  • bubble length of the leveling vial: 27 mm
  • striding level: no
  • sensitivity of the alidade level: 50 "
  • sensitivity of the altitude level: 15 "
  • designed for work: basic work