DE114446C - - Google Patents

Info

Publication number
DE114446C
DE114446C DENDAT114446D DE114446DA DE114446C DE 114446 C DE114446 C DE 114446C DE NDAT114446 D DENDAT114446 D DE NDAT114446D DE 114446D A DE114446D A DE 114446DA DE 114446 C DE114446 C DE 114446C
Authority
DE
Germany
Prior art keywords
cos
curve
angle
instrument
sin
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
DENDAT114446D
Other languages
German (de)
English (en)
Publication of DE114446C publication Critical patent/DE114446C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02Magnetic compasses
    • G01C17/04Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/10Comparing observed direction with north indication
    • G01C17/12Comparing observed direction with north indication by sighting means, e.g. for surveyors' compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rehabilitation Tools (AREA)
DENDAT114446D Active DE114446C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE114446C true DE114446C (enrdf_load_stackoverflow)

Family

ID=383946

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT114446D Active DE114446C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE114446C (enrdf_load_stackoverflow)

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