FR439560A - Métrogoniographe - Google Patents

Métrogoniographe

Info

Publication number
FR439560A
FR439560A FR439560DA FR439560A FR 439560 A FR439560 A FR 439560A FR 439560D A FR439560D A FR 439560DA FR 439560 A FR439560 A FR 439560A
Authority
FR
France
Prior art keywords
metrogoniograph
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
Emile Balu
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.)
EMILE BALU
Original Assignee
EMILE BALU
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 EMILE BALU filed Critical EMILE BALU
Application granted granted Critical
Publication of FR439560A publication Critical patent/FR439560A/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)
FR439560D 1912-01-31 1912-01-31 Métrogoniographe Expired FR439560A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR439560T 1912-01-31

Publications (1)

Publication Number Publication Date
FR439560A true FR439560A (fr) 1912-06-17

Family

ID=1480980

Family Applications (1)

Application Number Title Priority Date Filing Date
FR439560D Expired FR439560A (fr) 1912-01-31 1912-01-31 Métrogoniographe

Country Status (1)

Country Link
FR (1) FR439560A (fr)

Similar Documents

Publication Publication Date Title
FR442501A (fr) Vaporisateur-pulvérisateur
FR462320A (fr) Aéromoteur
FI5050A (fi) Konserveringskärl
FI5002A (fi) Bränsleinmatningsapparat
CH57090A (fr) Chronograph-compteur
CH63991A (fr) Echelle-double
FR445196A (fr) Automobile-traineau
FR459361A (fr) Biblorapte
FI5076A (fi) Koffert
FI5004A (fi) Förbrännings-eller explosionsmotorer
CH58596A (de) Selbstkocher
CH62950A (de) Themosäule
CH60908A (fr) Hydro-aéroplane
CH62681A (fr) Audiphone
CH63003A (de) Monoplan
FI4863A (fi) Glasmästardiamant
FI5059A (fi) Kärna
FI4827A (fi) Kylanläggning
FI5041A (fi) Luftgasapparat
CH63535A (fr) Canneteuse
FI4771A (fi) Köldöverföringsanordning
FI4925A (fi) Mjölkningsmaskin
FI4924A (fi) Inandrings- och desinfektionsapparat
FI5048A (fi) Vinkelkoppling
FI5017A (fi) Smörkärna