CH234145A - Orientation compass. - Google Patents

Orientation compass.

Info

Publication number
CH234145A
CH234145A CH234145DA CH234145A CH 234145 A CH234145 A CH 234145A CH 234145D A CH234145D A CH 234145DA CH 234145 A CH234145 A CH 234145A
Authority
CH
Switzerland
Prior art keywords
orientation compass
compass
orientation
Prior art date
Application number
Other languages
German (de)
Inventor
Niedermann Albert
Original Assignee
Niedermann Albert
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Niedermann Albert filed Critical Niedermann Albert
Publication of CH234145A publication Critical patent/CH234145A/en

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
CH234145D 1943-05-18 1943-05-18 Orientation compass. CH234145A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH234145T 1943-05-18

Publications (1)

Publication Number Publication Date
CH234145A true CH234145A (en) 1944-09-15

Family

ID=4458380

Family Applications (1)

Application Number Title Priority Date Filing Date
CH234145D CH234145A (en) 1943-05-18 1943-05-18 Orientation compass.

Country Status (1)

Country Link
CH (1) CH234145A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248793A (en) * 1962-11-07 1966-05-03 Warren D Anderson Navigational instrument
EP0573730A1 (en) * 1991-02-25 1993-12-15 Björn Kjellström Improvement to compass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248793A (en) * 1962-11-07 1966-05-03 Warren D Anderson Navigational instrument
EP0573730A1 (en) * 1991-02-25 1993-12-15 Björn Kjellström Improvement to compass

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