DE303512C - - Google Patents

Info

Publication number
DE303512C
DE303512C DENDAT303512D DE303512DA DE303512C DE 303512 C DE303512 C DE 303512C DE NDAT303512 D DENDAT303512 D DE NDAT303512D DE 303512D A DE303512D A DE 303512DA DE 303512 C DE303512 C DE 303512C
Authority
DE
Germany
Prior art keywords
compass
pointers
concentric
lever
adjustable
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
DENDAT303512D
Other languages
German (de)
English (en)
Publication of DE303512C publication Critical patent/DE303512C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02Rulers with scales or marks for direct reading
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20Instruments for performing navigational calculations

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
DENDAT303512D Active DE303512C (da)

Publications (1)

Publication Number Publication Date
DE303512C true DE303512C (da)

Family

ID=557220

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT303512D Active DE303512C (da)

Country Status (1)

Country Link
DE (1) DE303512C (da)

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