Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
Instruments
Manufacturers
About project
instruments
theodolite
Th 30x
manufacturers
Meopta
Th 30x
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Th 30x
Description
The manufacturer's name on the device
Meopta
Interesting construction features
Information about the use of device
Information about the device condition
Basic data
VÚGTK:
S0103
Owner:
Národní technické muzeum
Manufacturer:
Meopta
Made:
01.01.1955
Length:
180
mm
Width:
165
mm
Height:
274
mm
Weight:
4820
g
S/N:
1196
Technical parameters
cross hairs:
telescope type:
flip over
tripod connection:
tribrach
type of clamp:
clamp on the axis
compensator:
no
unite:
° ' "
the possibility of determining the elevation:
no
view in the telescope:
inverted
variable telescope length:
no
telescope length with retracted eyepiece:
174
mm
telescope diameter:
43
mm
minimum telescope focusing distance:
1400
mm
telescope magnification:
28
type of optical plummet:
none
compass:
none
horizontal circle diameter:
135
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:
30"
setting the horizontal circle to zero:
repeating
vertical circle:
yes
segment of the vertical circle:
no
vertical circle diameter:
110
mm
main reading scale of the vertical circle:
vernier
number of reading scales of the vertical circle:
2
the smallest segment of the vertical circle:
30"
cross level:
yes
length of the cross level/level perpendicular with line of collimation:
70
mm
bubble length of the cross level/level perpendicular with line of collimation:
15
mm
leveling vial:
yes
length of leveling vial:
70
mm
bubble length of the leveling vial:
26
mm
striding level:
no
altitude buble:
yes
lenght of the altitude level:
65
mm
sensitivity of the striding level or leveling vial:
25
"
sensitivity of the alidade level:
50
"