FR483173A - Appareil à réflexion d'astronomie nautique - Google Patents

Appareil à réflexion d'astronomie nautique

Info

Publication number
FR483173A
FR483173A FR483173DA FR483173A FR 483173 A FR483173 A FR 483173A FR 483173D A FR483173D A FR 483173DA FR 483173 A FR483173 A FR 483173A
Authority
FR
France
Prior art keywords
reflection device
astronomy
nautical
nautical astronomy
reflection
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
Benoit-Francois-Xavier Gosselin
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.)
BENOIT FRANCOIS XAVIER GOSSELI
Original Assignee
BENOIT FRANCOIS XAVIER GOSSELI
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 BENOIT FRANCOIS XAVIER GOSSELI filed Critical BENOIT FRANCOIS XAVIER GOSSELI
Application granted granted Critical
Publication of FR483173A publication Critical patent/FR483173A/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
    • G01C1/00—Measuring angles
    • G01C1/08—Sextants

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR483173D 1916-08-11 1916-08-11 Appareil à réflexion d'astronomie nautique Expired FR483173A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR483173T 1916-08-11

Publications (1)

Publication Number Publication Date
FR483173A true FR483173A (fr) 1917-06-06

Family

ID=1520098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR483173D Expired FR483173A (fr) 1916-08-11 1916-08-11 Appareil à réflexion d'astronomie nautique

Country Status (1)

Country Link
FR (1) FR483173A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425399A (en) * 1943-06-17 1947-08-12 Rca Corp Method and apparatus for measuring the index of refraction of thin layers of transparent material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425399A (en) * 1943-06-17 1947-08-12 Rca Corp Method and apparatus for measuring the index of refraction of thin layers of transparent material

Similar Documents

Publication Publication Date Title
FR483173A (fr) Appareil à réflexion d'astronomie nautique
FR492116A (fr) Appareil nautique
FR20841E (fr) Appareil d'aviation
FR491838A (fr) Appareil d'aviation
FR481612A (fr) Appareil à vues parlantes
FR488175A (fr) Appareil d'agrandissement photographique
FR505059A (fr) Appareil de publicité
CH74683A (fr) Appareil de mécano-thérapie
FR526486A (fr) Appareil d'aviation
FR525835A (fr) Appareil photographique
FR492860A (fr) Appareil à relever l'essence
FR476168A (fr) Appareil d'aviation
FR463502A (fr) Appareil d'aviation
FR449885A (fr) Appareil d'aviation
FR430121A (fr) Appareil d'agrandissement photographique perfectionné
FR517780A (fr) Appareil à calculer les intérets
FR489691A (fr) Appareil de téléphotographie
FR15397E (fr) Appareil d'aviation
FR433481A (fr) Appareil d'aviation
FR433122A (fr) Appareil d'aviation
FR430342A (fr) Appareil d'aviation
FR433624A (fr) Appareil d'aviation
FR450291A (fr) Appareil d'aviation
FR426692A (fr) Appareil d'aviation
FR431705A (fr) Appareil d'aviation