Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
Instruments
Manufacturers
About project
instruments
astronomical-surveying instruments
manufacturers
Berge
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astronomical-surveying instruments – Berge
Description
The manufacturer's name on the device
Berge London late Ramsden
Interesting construction features
Information about the use of device
Information about the device condition
Basic data
VÚGTK:
S0178
Owner:
Národní technické muzeum
Manufacturer:
Berge
Made:
01.01.1793
Length:
328
mm
Width:
323
mm
Height:
474
mm
Weight:
5030
g
S/N:
1484
Technical parameters
cross hairs:
telescope type:
non-removable
tripod connection:
N/A
type of clamp:
peripheral clamp
unite:
° ' "
variable telescope length:
no
telescope length with retracted eyepiece:
185
mm
telescope diameter:
15
mm
telescope magnification:
10
type of optical plummet:
none
compass:
none
horizontal circle diameter:
450
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:
20"
setting the horizontal circle to zero:
none
vertical circle:
no
cross level:
no
altitude buble:
no
striding level:
no