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FR539894A - Device to facilitate the study of geometric and industrial design - Google Patents

Device to facilitate the study of geometric and industrial design

Info

Publication number
FR539894A
FR539894A FR539894DA FR539894A FR 539894 A FR539894 A FR 539894A FR 539894D A FR539894D A FR 539894DA FR 539894 A FR539894 A FR 539894A
Authority
FR
France
Prior art keywords
geometric
study
facilitate
industrial design
industrial
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
Leon Leroy
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 FR539894A publication Critical patent/FR539894A/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
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Geometry (AREA)
  • Business, Economics & Management (AREA)
  • Algebra (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
FR539894D 1921-06-25 1921-06-25 Device to facilitate the study of geometric and industrial design Expired FR539894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR539894T 1921-06-25

Publications (1)

Publication Number Publication Date
FR539894A true FR539894A (en) 1922-07-01

Family

ID=8929159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR539894D Expired FR539894A (en) 1921-06-25 1921-06-25 Device to facilitate the study of geometric and industrial design

Country Status (1)

Country Link
FR (1) FR539894A (en)

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