NL52574C - - Google Patents

Info

Publication number
NL52574C
NL52574C NL52574DA NL52574C NL 52574 C NL52574 C NL 52574C NL 52574D A NL52574D A NL 52574DA NL 52574 C NL52574 C NL 52574C
Authority
NL
Netherlands
Application number
Publication of NL52574C publication Critical patent/NL52574C/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/10—Comparing observed direction with north indication
    • G01C17/12—Comparing 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)
NL52574D NL52574C (fr)

Publications (1)

Publication Number Publication Date
NL52574C true NL52574C (fr)

Family

ID=1810432

Family Applications (1)

Application Number Title Priority Date Filing Date
NL52574D NL52574C (fr)

Country Status (1)

Country Link
NL (1) NL52574C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488605A (en) * 1948-02-04 1949-11-22 Jean E Progneaux Sundial
DE1296392B (de) * 1965-02-16 1969-05-29 Datawell Nv Kompass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488605A (en) * 1948-02-04 1949-11-22 Jean E Progneaux Sundial
DE1296392B (de) * 1965-02-16 1969-05-29 Datawell Nv Kompass

Similar Documents

Publication Publication Date Title
US3919782A (en) Magnetic compass assembly
AT150735B (de) Kompaß mit Wirbelstromdämpfung der Nadelschwingungen.
DE878562C (de) Taschenkompass
CH282766A (de) Kompass.
CH220782A (de) Taschenkompass.
CH234145A (de) Orientierungskompass.
CA908416A (en) Navigational sighting compass
CH347011A (fr) Dispositif de visée et de lecture pour appareils de mesure d'angles sur le terrain, notamment pour boussoles et clisimètres
CH353903A (de) Orientierungskompass, kombiniert mit Neigungsmesser
CH248239A (de) Flüssigkeitskompass.
CH365550A (de) Kompass mit hydrostatisch aufgehängtem Magnetkörper
FR1147727A (fr) Perfectionnements aux boussoles topographiques et alidades de relèvement
DE1215381B (de) Orientierungskompass
CH227172A (de) Kompass mit flüssigkeitsgefüllter Kompassdose und Druckkompensationsvorrichtung.
CH225581A (de) Marschkompass.
BE430334A (fr)
BE463755A (fr)
BE480059A (fr)
BE481136A (fr)
BE516284A (fr)
CH338609A (fr) Boussole
CH321550A (fr) Appareil servant à déterminer un élément du vecteur représentant un champ magnétique
BE421019A (fr)
BE392166A (fr)
CH205937A (de) Kompass mit Einrichtung für die Messung von Höhenwinkeln.