[go: up one dir, main page]

FR478837A - Boussole - Google Patents

Boussole

Info

Publication number
FR478837A
FR478837A FR478837DA FR478837A FR 478837 A FR478837 A FR 478837A FR 478837D A FR478837D A FR 478837DA FR 478837 A FR478837 A FR 478837A
Authority
FR
France
Prior art keywords
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
Otto Biland
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR478837A publication Critical patent/FR478837A/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
    • 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)
FR478837D 1915-03-29 1915-03-29 Boussole Expired FR478837A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR478837T 1915-03-29

Publications (1)

Publication Number Publication Date
FR478837A true FR478837A (fr) 1916-01-12

Family

ID=1516298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR478837D Expired FR478837A (fr) 1915-03-29 1915-03-29 Boussole

Country Status (1)

Country Link
FR (1) FR478837A (fr)

Cited By (1)

* 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

Cited By (1)

* 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

Similar Documents

Publication Publication Date Title
CH70452A (de) Ellipsenzirkel
FR478837A (fr) Boussole
FR480740A (fr) Corset-ceinture
FR480219A (fr) Riveuse
CH71473A (de) Kompaß
CH70460A (de) Taschenkompaß
FR478862A (fr) Hamac-couchette
FR480089A (fr) Stéréo-classeur
CH72540A (fr) Joiont
CH73983A (de) Photogrammeter
CH71926A (de) Photogrammeter
CH70916A (de) Taschenkompaß
FR512128A (fr) Dynamomètre-compteur
FR480123A (fr) Patin-chaufferette
FR479484A (fr) Briquet-obus
FR525815A (fr) Commutateur-interrupteur
FR491181A (fr) Télémètre-hausse
FR478199A (fr) Étuve-séchoir
FR481468A (fr) Plansichter
FR20906E (fr) Télémètre-hausse
FR20380E (fr) Corset-ceinture
FR482011A (fr) Block-système
FI6028A (fi) Dubbelram
FI6206A (fi) Kuberings-timmerklave
FI6023A (fi) Tågskyddsapparater