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FR537089A - Detachable educational constructions - Google Patents

Detachable educational constructions

Info

Publication number
FR537089A
FR537089A FR537089DA FR537089A FR 537089 A FR537089 A FR 537089A FR 537089D A FR537089D A FR 537089DA FR 537089 A FR537089 A FR 537089A
Authority
FR
France
Prior art keywords
educational
constructions
detachable
educational constructions
detachable educational
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
Louis-Janvier Dalbis
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 FR537089A publication Critical patent/FR537089A/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)
FR537089D 1921-03-30 1921-03-30 Detachable educational constructions Expired FR537089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR537089T 1921-03-30

Publications (1)

Publication Number Publication Date
FR537089A true FR537089A (en) 1922-05-15

Family

ID=8927250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR537089D Expired FR537089A (en) 1921-03-30 1921-03-30 Detachable educational constructions

Country Status (1)

Country Link
FR (1) FR537089A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872743A (en) * 1957-03-07 1959-02-10 Herbert J Feldhake Demonstrator for the formula for the surface of a sphere
US3457658A (en) * 1966-04-15 1969-07-29 Us Army Collapsible crystal structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872743A (en) * 1957-03-07 1959-02-10 Herbert J Feldhake Demonstrator for the formula for the surface of a sphere
US3457658A (en) * 1966-04-15 1969-07-29 Us Army Collapsible crystal structure

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