IL79441A0 - Educational visual aid particularly for demonstration in solid geometry - Google Patents

Educational visual aid particularly for demonstration in solid geometry

Info

Publication number
IL79441A0
IL79441A0 IL79441A IL7944186A IL79441A0 IL 79441 A0 IL79441 A0 IL 79441A0 IL 79441 A IL79441 A IL 79441A IL 7944186 A IL7944186 A IL 7944186A IL 79441 A0 IL79441 A0 IL 79441A0
Authority
IL
Israel
Prior art keywords
demonstration
visual aid
solid geometry
aid particularly
educational visual
Prior art date
Application number
IL79441A
Other versions
IL79441A (en
Original Assignee
Orszagos Tanszergyar Ertek
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 by Orszagos Tanszergyar Ertek filed Critical Orszagos Tanszergyar Ertek
Publication of IL79441A0 publication Critical patent/IL79441A0/en
Publication of IL79441A publication Critical patent/IL79441A/en

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
    • G09B27/00—Planetaria; Globes
    • G09B27/08—Globes
    • 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
IL79441A 1985-07-25 1986-07-17 Educational visual aid particularly for demonstration in solid geometry IL79441A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU852826A HU192681B (en) 1985-07-25 1985-07-25 Object-teaching instrument first of all for making solid geometric ideas known

Publications (2)

Publication Number Publication Date
IL79441A0 true IL79441A0 (en) 1986-10-31
IL79441A IL79441A (en) 1990-04-29

Family

ID=10961272

Family Applications (1)

Application Number Title Priority Date Filing Date
IL79441A IL79441A (en) 1985-07-25 1986-07-17 Educational visual aid particularly for demonstration in solid geometry

Country Status (11)

Country Link
EP (1) EP0267911A1 (en)
JP (1) JPS63501175A (en)
KR (1) KR880700376A (en)
AU (1) AU6139586A (en)
DD (1) DD255022A5 (en)
DK (1) DK149187A (en)
ES (1) ES2000761A6 (en)
HU (1) HU192681B (en)
IL (1) IL79441A (en)
IN (1) IN163289B (en)
WO (1) WO1987000668A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108731910B (en) * 2018-01-20 2020-10-27 中国科学院深海科学与工程研究所 Tracer ball for solid-liquid two-phase flow test research

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE925433C (en) * 1952-07-03 1955-07-18 Friedrich V Frhr Buddenbrock Dismountable teaching model of a spherical body
DE2228170A1 (en) * 1972-06-09 1974-01-03 Irving J Starworth GLOBE MADE FROM SECTIONS OF BALL SHELLS
SU734799A1 (en) * 1975-05-16 1980-05-15 Войсковая часть 60130 Globe

Also Published As

Publication number Publication date
AU6139586A (en) 1987-02-10
HU192681B (en) 1987-06-29
IN163289B (en) 1988-09-03
EP0267911A1 (en) 1988-05-25
IL79441A (en) 1990-04-29
DD255022A5 (en) 1988-03-16
JPS63501175A (en) 1988-04-28
ES2000761A6 (en) 1988-03-16
WO1987000668A1 (en) 1987-01-29
KR880700376A (en) 1988-03-15
DK149187D0 (en) 1987-03-24
DK149187A (en) 1987-03-24

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