DE87770C - - Google Patents

Info

Publication number
DE87770C
DE87770C DENDAT87770D DE87770DA DE87770C DE 87770 C DE87770 C DE 87770C DE NDAT87770 D DENDAT87770 D DE NDAT87770D DE 87770D A DE87770D A DE 87770DA DE 87770 C DE87770 C DE 87770C
Authority
DE
Germany
Prior art keywords
quarter
circle
spirit level
horizontal
vial
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT87770D
Other languages
German (de)
English (en)
Publication of DE87770C publication Critical patent/DE87770C/de
Active legal-status Critical Current

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
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G01C9/36—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble of the spherical type, i.e. for indicating the level in all directions

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Toys (AREA)
DENDAT87770D Active DE87770C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE87770C true DE87770C (enrdf_load_stackoverflow)

Family

ID=359717

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT87770D Active DE87770C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE87770C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541880A (en) * 1947-02-04 1951-02-13 John L Mcmillan Rotatable level
US2568143A (en) * 1947-11-20 1951-09-18 Edward J Casper Spirit level

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541880A (en) * 1947-02-04 1951-02-13 John L Mcmillan Rotatable level
US2568143A (en) * 1947-11-20 1951-09-18 Edward J Casper Spirit level

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