FR782576A - Perfectionnements aux boussoles - Google Patents

Perfectionnements aux boussoles

Info

Publication number
FR782576A
FR782576A FR782576DA FR782576A FR 782576 A FR782576 A FR 782576A FR 782576D A FR782576D A FR 782576DA FR 782576 A FR782576 A FR 782576A
Authority
FR
France
Prior art keywords
refinements
compass
compass refinements
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
Gunnar Tillander
Henning Rudolf Ekeberg
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 filed Critical
Application granted granted Critical
Publication of FR782576A publication Critical patent/FR782576A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR782576D 1933-12-11 1934-12-11 Perfectionnements aux boussoles Expired FR782576A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE782576X 1933-12-11

Publications (1)

Publication Number Publication Date
FR782576A true FR782576A (fr) 1935-06-07

Family

ID=20336762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782576D Expired FR782576A (fr) 1933-12-11 1934-12-11 Perfectionnements aux boussoles

Country Status (1)

Country Link
FR (1) FR782576A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487044A (en) * 1945-10-01 1949-11-08 William C Cude Compass
US2824382A (en) * 1953-08-17 1958-02-25 Sandberg Nils Henry Compasses
US4141152A (en) * 1977-11-30 1979-02-27 White W Gordon Piloting instrument

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487044A (en) * 1945-10-01 1949-11-08 William C Cude Compass
US2824382A (en) * 1953-08-17 1958-02-25 Sandberg Nils Henry Compasses
US4141152A (en) * 1977-11-30 1979-02-27 White W Gordon Piloting instrument

Similar Documents

Publication Publication Date Title
FR795153A (fr) Perfectionnements aux véhicules
FR778449A (fr) Perfectionnements aux peintures
FR810374A (fr) Perfectionnements aux parapluies
FR794419A (fr) Perfectionnements aux carrosseries
FR782576A (fr) Perfectionnements aux boussoles
FR762684A (fr) Perfectionnement aux boussoles
FR782632A (fr) Perfectionnements aux oscillateurs
FR757400A (fr) Perfectionnements aux condensateurs
FR43493E (fr) Perfectionnements aux filtres
FR771353A (fr) Perfectionnements aux interrupteurs
FR796283A (fr) Perfectionnements aux véhicules
FR798413A (fr) Perfectionnements aux hélices
FR794520A (fr) Perfectionnements aux hélices
FR805464A (fr) Perfectionnements aux hélices
FR758017A (fr) Perfectionnements aux carrosseries
FR764693A (fr) Perfectionnements aux bouteilles
FR769534A (fr) Perfectionnements aux véhicules
FR784833A (fr) Perfectionnements aux garnitures
FR787376A (fr) Perfectionnements aux hélices
FR751345A (fr) Perfectionnements aux lampes
FR758411A (fr) Perfectionnements aux carrosseries
FR763599A (fr) Perfectionnements aux carrosseries
FR756841A (fr) Perfectionnements aux lanternes
FR765168A (fr) Perfectionnements aux réflecteurs
FR769206A (fr) Perfectionnements aux mastics