FR1016072A - Improvements in orientation devices and methods to obtain these improvements - Google Patents

Improvements in orientation devices and methods to obtain these improvements

Info

Publication number
FR1016072A
FR1016072A FR1016072DA FR1016072A FR 1016072 A FR1016072 A FR 1016072A FR 1016072D A FR1016072D A FR 1016072DA FR 1016072 A FR1016072 A FR 1016072A
Authority
FR
France
Prior art keywords
methods
orientation devices
orientation
devices
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
Philippe Rosin
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 FR1016072A publication Critical patent/FR1016072A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/003—Maps
    • G09B29/005—Map projections or methods associated specifically therewith
FR1016072D 1950-04-07 1950-04-07 Improvements in orientation devices and methods to obtain these improvements Expired FR1016072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1016072T 1950-04-07

Publications (1)

Publication Number Publication Date
FR1016072A true FR1016072A (en) 1952-10-31

Family

ID=9573458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1016072D Expired FR1016072A (en) 1950-04-07 1950-04-07 Improvements in orientation devices and methods to obtain these improvements

Country Status (1)

Country Link
FR (1) FR1016072A (en)

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