BE499727A - - Google Patents

Info

Publication number
BE499727A
BE499727A BE499727DA BE499727A BE 499727 A BE499727 A BE 499727A BE 499727D A BE499727D A BE 499727DA BE 499727 A BE499727 A BE 499727A
Authority
BE
Belgium
Prior art keywords
elements
strips
teaching device
materializing
centimeters
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE499727A publication Critical patent/BE499727A/fr

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G09B23/04Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00Teaching, or communicating with, the blind, deaf or mute
    • G09B21/001Teaching or communicating with blind persons
    • G09B21/003Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Educational Technology (AREA)
  • Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Administration (AREA)
  • Mathematical Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Geometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Algebra (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Portable Nailing Machines And Staplers (AREA)
BE499727D BE499727A (OSRAM)

Publications (1)

Publication Number Publication Date
BE499727A true BE499727A (OSRAM)

Family

ID=142046

Family Applications (1)

Application Number Title Priority Date Filing Date
BE499727D BE499727A (OSRAM)

Country Status (1)

Country Link
BE (1) BE499727A (OSRAM)

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