Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
Instruments
Manufacturers
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instruments
levelling instrument
manufacturers
J. & J. Frič
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levelling instrument – J. & J. Frič
Description
The manufacturer's name on the device
Interesting construction features
Information about the use of device
Information about the device condition
Basic data
VÚGTK:
S0322
Owner:
České vysoké učení technické v Praze - Stavební fakulta
Manufacturer:
J. & J. Frič
Made:
01.01.1900
Length:
198
mm
Width:
81
mm
Height:
110
mm
Weight:
480
g
S/N:
Technical parameters
cross hairs:
telescope type:
non-removable
tripod connection:
pin
type of clamp:
clamp on the axis
compensator:
no
elevation screw:
yes
view in the telescope:
inverted
variable telescope length:
yes
telescope length with retracted eyepiece:
190
mm
telescope length with extended eyepiece:
198
mm
telescope diameter:
23
mm
horizontal circle:
no
segment of the vertical circle:
no
cross level:
no
leveling vial:
yes
length of leveling vial:
80
mm
bubble length of the leveling vial:
23
mm
striding level:
no
designed for work:
basic work