Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
Instruments
Manufacturers
About project
instruments
theodolite
manufacturers
Fennel
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theodolite – Fennel
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:
S0320
Owner:
České vysoké učení technické v Praze - Stavební fakulta
Manufacturer:
Fennel
Made:
01.01.1920
Length:
295
mm
Width:
213
mm
Height:
300
mm
Weight:
4129
g
S/N:
12285
Technical parameters
cross hairs:
telescope type:
reversible
tripod connection:
tribrach
type of clamp:
clamp on the axis
compensator:
no
unite:
° ' "
the possibility of determining the elevation:
yes
distance meter type:
optical
construction of the distance meter:
integrated
view in the telescope:
inverted
variable telescope length:
yes
telescope length with retracted eyepiece:
258
mm
telescope length with extended eyepiece:
306
mm
telescope diameter:
30
mm
minimum telescope focusing distance:
2000
mm
type of optical plummet:
none
compass:
none
horizontal circle diameter:
160
mm
main reading scale of the horizontal circle:
vernier microscope
number of reading scales of the horizontal circle:
2
the smallest segment of the horizontal circle:
5´/ 1´
setting the horizontal circle to zero:
repeating
vertical circle:
yes
segment of the vertical circle:
no
vertical circle diameter:
140
mm
main reading scale of the vertical circle:
reading microscope
number of reading scales of the vertical circle:
2
the smallest segment of the vertical circle:
10´
cross level:
yes
length of the cross level/level parallel with line of collimation:
35
mm
bubble length of the cross level/level parallel with line of collimation:
8
mm
length of the cross level/level perpendicular with line of collimation:
55
mm
bubble length of the cross level/level perpendicular with line of collimation:
10
mm
leveling vial:
yes
length of leveling vial:
65
mm
bubble length of the leveling vial:
23
mm
striding level:
no
altitude buble:
yes
lenght of the altitude level:
45
mm
bubble length of the altitude level:
16
mm
designed for work:
basic work