Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
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instruments
levelling instrument
manufacturers
Srb a Štys
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levelling instrument – Srb a Štys
Description
The manufacturer's name on the device
SRB A ŠTYS PRAHA
Interesting construction features
Information about the use of device
Information about the device condition
Basic data
VÚGTK:
S0220
Owner:
Národní technické muzeum
Manufacturer:
Srb a Štys
Made:
01.01.1921
Length:
144
mm
Width:
61
mm
Height:
127
mm
Weight:
520
g
S/N:
325
Technical parameters
telescope type:
non-removable
tripod connection:
special
type of clamp:
clamp on the axis
compensator:
no
unite:
° ' "
elevation screw:
yes
view in the telescope:
inverted
variable telescope length:
yes
telescope length with retracted eyepiece:
144
mm
telescope length with extended eyepiece:
173
mm
telescope diameter:
31
mm
minimum telescope focusing distance:
750
mm
horizontal circle:
yes
horizontal circle diameter:
28
mm
main reading scale of the horizontal circle:
index
number of reading scales of the horizontal circle:
1
the smallest segment of the horizontal circle:
45°
segment of the vertical circle:
no
cross level:
no
leveling vial:
yes
length of leveling vial:
57
mm
bubble length of the leveling vial:
12
mm
striding level:
no
sensitivity of the striding level or leveling vial:
60
"
designed for work:
low precise work