DE156914C - - Google Patents

Info

Publication number
DE156914C
DE156914C DENDAT156914D DE156914DA DE156914C DE 156914 C DE156914 C DE 156914C DE NDAT156914 D DENDAT156914 D DE NDAT156914D DE 156914D A DE156914D A DE 156914DA DE 156914 C DE156914 C DE 156914C
Authority
DE
Germany
Prior art keywords
ruler
map
scale
diopter
frame
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
DENDAT156914D
Other languages
German (de)
English (en)
Publication of DE156914C publication Critical patent/DE156914C/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
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/02—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/04—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Astronomy & Astrophysics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Drawing Aids And Blackboards (AREA)
DENDAT156914D Active DE156914C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE156914C true DE156914C (enrdf_load_stackoverflow)

Family

ID=423243

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT156914D Active DE156914C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE156914C (enrdf_load_stackoverflow)

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