FR825342A - Perfectionnements aux livrets éducatifs avec grille-écran - Google Patents

Perfectionnements aux livrets éducatifs avec grille-écran

Info

Publication number
FR825342A
FR825342A FR825342DA FR825342A FR 825342 A FR825342 A FR 825342A FR 825342D A FR825342D A FR 825342DA FR 825342 A FR825342 A FR 825342A
Authority
FR
France
Prior art keywords
screen grid
booklets
educational
educational booklets
grid
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
English (en)
Inventor
Joseph Louis Routin
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 FR825342A publication Critical patent/FR825342A/fr
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
    • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR825342D 1936-11-18 1936-11-18 Perfectionnements aux livrets éducatifs avec grille-écran Expired FR825342A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR825342T 1936-11-18

Publications (1)

Publication Number Publication Date
FR825342A true FR825342A (fr) 1938-03-01

Family

ID=9282287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR825342D Expired FR825342A (fr) 1936-11-18 1936-11-18 Perfectionnements aux livrets éducatifs avec grille-écran

Country Status (1)

Country Link
FR (1) FR825342A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054195A (en) * 1961-03-14 1962-09-18 Alex D Palmer Teaching device
US3111776A (en) * 1961-07-19 1963-11-26 Nat Blank Book Co Masking apparatus for program teaching
US3111774A (en) * 1961-07-07 1963-11-26 Nat Blank Book Co Masking device for "program teaching" use in ring binder assemblies

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054195A (en) * 1961-03-14 1962-09-18 Alex D Palmer Teaching device
US3111774A (en) * 1961-07-07 1963-11-26 Nat Blank Book Co Masking device for "program teaching" use in ring binder assemblies
US3111776A (en) * 1961-07-19 1963-11-26 Nat Blank Book Co Masking apparatus for program teaching

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