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

tachymetre – Breithaupt

The manufacturer's name on the device
  • F. W. Breithaupt & Sohn. Cassel.

Interesting construction features

Information about the use of device

Information about the device condition

  • VÚGTK: S0148
  • Owner: Hornicko-geologická fakulta, VŠB-TUO
  • Manufacturer: Breithaupt
  • Made: 01.01.1910
  • Length: 440 mm
  • Width: 165 mm
  • Height: 335 mm
  • Weight: 4390 g
  • S/N: 3511

  • cross hairs:
  • NK_033
  • telescope type: non-removable
  • tripod connection: special
  • type of clamp: clamp on the axis
  • compensator: no
  • unite: ° ' "
  • distance meter type: optical
  • construction of the distance meter: integrated
  • autoreduction of the length: yes
  • view in the telescope: inverted
  • variable telescope length: yes
  • telescope length with retracted eyepiece: 320 mm
  • telescope length with extended eyepiece: 360 mm
  • telescope diameter: 33 mm
  • minimum telescope focusing distance: 3000 mm
  • telescope magnification: 25
  • type of optical plummet: none
  • compass: none
  • 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: repeating
  • vertical circle: no
  • segment of the vertical circle: yes
  • segment's range of vertical circle: 60
  • vertical circle diameter: 380 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
  • altitude buble: no
  • leveling vial: yes
  • length of leveling vial: 104 mm
  • bubble length of the leveling vial: 22 mm
  • striding level: no
  • sensitivity of the striding level or leveling vial: 20 "