Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
Instruments
Manufacturers
About project
instruments
astronomical-surveying instruments
diazenitál
manufacturers
J. & J. Frič
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Description
The manufacturer's name on the device
not specified
Interesting construction features
Information about the use of device
Information about the device condition
Basic data
VÚGTK:
S0203
Owner:
Astronomický ústav AV ČR
Manufacturer:
J. & J. Frič
Made:
01.01.1910
Length:
320
mm
Width:
185
mm
Height:
385
mm
Weight:
3500
g
S/N:
181
Technical parameters
telescope type:
special
tripod connection:
special
type of clamp:
clamp on the axis
unite:
° ' "
view in the telescope:
erected
variable telescope length:
no
telescope length with retracted eyepiece:
277
mm
telescope diameter:
26
mm
telescope magnification:
17
type of optical plummet:
none
compass:
none
horizontal circle diameter:
155
mm
main reading scale of the horizontal circle:
vernier
number of reading scales of the horizontal circle:
1
the smallest segment of the horizontal circle:
10´
setting the horizontal circle to zero:
none
vertical circle:
yes
vertical circle diameter:
150
mm
main reading scale of the vertical circle:
index
number of reading scales of the vertical circle:
1
the smallest segment of the vertical circle:
1°
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:
10
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:
10
mm
altitude buble:
no
striding level:
no