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CH223983A - Livello topografico a linea di mira automaticamente orizzontale. - Google Patents

Livello topografico a linea di mira automaticamente orizzontale.

Info

Publication number
CH223983A
CH223983A CH223983DA CH223983A CH 223983 A CH223983 A CH 223983A CH 223983D A CH223983D A CH 223983DA CH 223983 A CH223983 A CH 223983A
Authority
CH
Switzerland
Prior art keywords
sight
horizontal line
automatically horizontal
topographic level
topographic
Prior art date
Application number
Other languages
English (en)
Inventor
Bonechi Federico
Original Assignee
Bonechi Federico
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bonechi Federico filed Critical Bonechi Federico
Publication of CH223983A publication Critical patent/CH223983A/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
CH223983D 1940-07-31 1941-06-24 Livello topografico a linea di mira automaticamente orizzontale. CH223983A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT223983X 1940-07-31

Publications (1)

Publication Number Publication Date
CH223983A true CH223983A (it) 1942-10-31

Family

ID=11195745

Family Applications (1)

Application Number Title Priority Date Filing Date
CH223983D CH223983A (it) 1940-07-31 1941-06-24 Livello topografico a linea di mira automaticamente orizzontale.

Country Status (1)

Country Link
CH (1) CH223983A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475074A (en) * 1967-06-01 1969-10-28 Optical Res & Dev Corp Accidental-motion compensation with collimated light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475074A (en) * 1967-06-01 1969-10-28 Optical Res & Dev Corp Accidental-motion compensation with collimated light

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