Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
Instruments
Manufacturers
About project
instruments
levelling instrument
manufacturers
Haase a Wilhelm
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levelling instrument – Haase a Wilhelm
Description
The manufacturer's name on the device
Haase & Wilhelm v Praze
Interesting construction features
Information about the use of device
Information about the device condition
Basic data
VÚGTK:
S0006
Owner:
Národní technické muzeum
Manufacturer:
Haase a Wilhelm
Made:
01.01.1877
Length:
102
mm
Width:
130
mm
Height:
103
mm
Weight:
710
g
S/N:
Technical parameters
cross hairs:
telescope type:
non-removable
tripod connection:
pin with 4 horizontal screws
type of clamp:
peripheral clamp
compensator:
no
unite:
° ' "
elevation screw:
yes
view in the telescope:
inverted
variable telescope length:
yes
telescope length with retracted eyepiece:
164
mm
telescope length with extended eyepiece:
173
mm
telescope diameter:
23
mm
minimum telescope focusing distance:
3730
mm
telescope magnification:
8
horizontal circle:
yes
horizontal circle diameter:
99
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:
2'
segment of the vertical circle:
no
cross level:
no
leveling vial:
yes
length of leveling vial:
98
mm
bubble length of the leveling vial:
22
mm
sensitivity of the striding level or leveling vial:
10
"
designed for work:
basic work