FR700421A - Improvements to course markers for ships, planes and other vehicles - Google Patents

Improvements to course markers for ships, planes and other vehicles

Info

Publication number
FR700421A
FR700421A FR700421DA FR700421A FR 700421 A FR700421 A FR 700421A FR 700421D A FR700421D A FR 700421DA FR 700421 A FR700421 A FR 700421A
Authority
FR
France
Prior art keywords
ships
planes
vehicles
course markers
markers
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
French (fr)
Inventor
Edward Cecil Villiers
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 FR700421A publication Critical patent/FR700421A/en
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
    • G01C7/00—Tracing profiles
    • G01C7/02—Tracing profiles of land surfaces
    • G01C7/04—Tracing profiles of land surfaces involving a vehicle which moves along the profile to be traced

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR700421D 1929-08-15 1930-08-12 Improvements to course markers for ships, planes and other vehicles Expired FR700421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB700421X 1929-08-15

Publications (1)

Publication Number Publication Date
FR700421A true FR700421A (en) 1931-02-28

Family

ID=10493702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700421D Expired FR700421A (en) 1929-08-15 1930-08-12 Improvements to course markers for ships, planes and other vehicles

Country Status (1)

Country Link
FR (1) FR700421A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749838C (en) * 1939-03-02 1944-12-06 Course marker for vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749838C (en) * 1939-03-02 1944-12-06 Course marker for vehicles

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