Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
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hypsometr
manufacturers
J. & J. Frič
hypsometr
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hypsometr
Description
The manufacturer's name on the device
JOS. & JAN FRIČ PRAHA
Interesting construction features
Information about the use of device
Information about the device condition
Basic data
VÚGTK:
S0165
Owner:
Národní technické muzeum
Manufacturer:
J. & J. Frič
Made:
01.01.1890
Length:
200
mm
Width:
125
mm
Height:
253
mm
Weight:
2320
g
S/N:
1220
Technical parameters
cross hairs:
telescope type:
flip over
tripod connection:
special
type of clamp:
clamp on the axis
compensator:
no
unite:
° ' "
the possibility of determining the elevation:
yes
elevation screw:
no
distance meter type:
optical
construction of the distance meter:
integrated
distance meter measuring range:
380
m
autoreduction of the length:
no
view in the telescope:
inverted
variable telescope length:
yes
telescope length with retracted eyepiece:
200
mm
telescope length with extended eyepiece:
216
mm
telescope diameter:
25
mm
minimum telescope focusing distance:
2600
mm
telescope magnification:
20
type of optical plummet:
none
compass:
none
horizontal circle:
no
setting the horizontal circle to zero:
none
vertical circle:
yes
segment of the vertical circle:
no
vertical circle diameter:
130
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:
20"
cross level:
yes
length of the cross level/level parallel with line of collimation:
45
mm
bubble length of the cross level/level parallel with line of collimation:
5
mm
length of the cross level/level perpendicular with line of collimation:
45
mm
bubble length of the cross level/level perpendicular with line of collimation:
5
mm
length of leveling vial:
74
mm
bubble length of the leveling vial:
22
mm
striding level:
no
sensitivity of the striding level or leveling vial:
25
"
altitude buble:
yes
lenght of the altitude level:
75
mm
bubble length of the altitude level:
16
mm
designed for work:
basic work