FR443102A - Compas de dérive - Google Patents

Compas de dérive

Info

Publication number
FR443102A
FR443102A FR443102DA FR443102A FR 443102 A FR443102 A FR 443102A FR 443102D A FR443102D A FR 443102DA FR 443102 A FR443102 A FR 443102A
Authority
FR
France
Prior art keywords
compass
drift
drift compass
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.)
Expired
Application number
Other languages
English (en)
Inventor
Honore-Maurice Domecq-Cazaux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HONORE MAURICE DOMECQ CAZAUX
Original Assignee
HONORE MAURICE DOMECQ CAZAUX
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 HONORE MAURICE DOMECQ CAZAUX filed Critical HONORE MAURICE DOMECQ CAZAUX
Application granted granted Critical
Publication of FR443102A publication Critical patent/FR443102A/fr
Expired legal-status Critical Current

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
FR443102D 1912-04-29 1912-04-29 Compas de dérive Expired FR443102A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR443102T 1912-04-29

Publications (1)

Publication Number Publication Date
FR443102A true FR443102A (fr) 1912-09-17

Family

ID=1484212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR443102D Expired FR443102A (fr) 1912-04-29 1912-04-29 Compas de dérive

Country Status (1)

Country Link
FR (1) FR443102A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792637A (en) * 1952-01-15 1957-05-21 Newmont Mining Corp Apparatus for surveying drill holes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792637A (en) * 1952-01-15 1957-05-21 Newmont Mining Corp Apparatus for surveying drill holes

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