FR1709E - Compas indicateur, avertisseur et enregistreur - Google Patents

Compas indicateur, avertisseur et enregistreur

Info

Publication number
FR1709E
FR1709E FR1709DA FR1709E FR 1709 E FR1709 E FR 1709E FR 1709D A FR1709D A FR 1709DA FR 1709 E FR1709 E FR 1709E
Authority
FR
France
Prior art keywords
horn
recorder
compass indicator
compass
indicator
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
Charles Heit
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.)
CHARLES HEIT
Original Assignee
CHARLES HEIT
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 CHARLES HEIT filed Critical CHARLES HEIT
Application granted granted Critical
Publication of FR1709E publication Critical patent/FR1709E/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)
FR1709D 1900-06-01 1903-04-11 Compas indicateur, avertisseur et enregistreur Expired FR1709E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR300861T 1900-06-01
FR1709T 1903-04-11

Publications (1)

Publication Number Publication Date
FR1709E true FR1709E (fr) 1903-09-04

Family

ID=1344007

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1709D Expired FR1709E (fr) 1900-06-01 1903-04-11 Compas indicateur, avertisseur et enregistreur

Country Status (1)

Country Link
FR (1) FR1709E (fr)

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