Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
levelling instrument – Tavernier - Gravet
The manufacturer's name on the device
- Tavernier - Gravet rue. Mayet 19: Paris
- VÚGTK: S0018
- Owner: Národní technické muzeum
- Manufacturer: Tavernier - Gravet
- Made: 01.01.1920
- Length: 188 mm
- Width: 220 mm
- Height: 225 mm
- Weight: 4840 g
- S/N:
- cross hairs:
-
- telescope type: rotated
- tripod connection: tribrach
- type of clamp: peripheral clamp
- compensator: no
- elevation screw: yes
- view in the telescope: inverted
- variable telescope length: yes
- telescope length with retracted eyepiece: 372 mm
- telescope length with extended eyepiece: 404 mm
- telescope diameter: 45 mm
- minimum telescope focusing distance: 8000 mm
- telescope magnification: 25
- horizontal circle: no
- segment of the vertical circle: no
- cross level: no
- leveling vial: no
- striding level: yes
- bubble length of the striding level: 155 mm
- bubble length of the striding level: 44 mm
- sensitivity of the striding level or leveling vial: 30 "
- designed for work: basic work
