Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
tachymetre – Fennel
The manufacturer's name on the device
- Otto Fennel Söhne in Cassel.1901
- VÚGTK: S0124
- Owner: Vysoké učení technické v Brně
- Manufacturer: Fennel
- Made: 01.01.1901
- Length: 397 mm
- Width: 178 mm
- Height: 402 mm
- Weight: 7320 g
- S/N: 5139
- cross hairs:
-
- telescope type: special
- tripod connection: tribrach
- type of clamp: clamp on the axis
- compensator: no
- unite: gon
- distance meter type: mechanical
- 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: 368 mm
- telescope length with extended eyepiece: 415 mm
- telescope diameter: 30 mm
- minimum telescope focusing distance: 3250 mm
- telescope magnification: 33
- type of optical plummet: none
- compass: none
- horizontal circle diameter: 120 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: 1'
- setting the horizontal circle to zero: none
- vertical circle: no
- segment of the vertical circle: no
- 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: 15 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: 13 mm
- altitude buble: no
- leveling vial: yes
- length of leveling vial: 90 mm
- bubble length of the leveling vial: 35 mm
- striding level: no
- sensitivity of the striding level or leveling vial: 30 "
- sensitivity of the alidade level: 100 "
