NL139836B - EDUCATIONAL TOOL. - Google Patents

EDUCATIONAL TOOL.

Info

Publication number
NL139836B
NL139836B NL7011779A NL7011779A NL139836B NL 139836 B NL139836 B NL 139836B NL 7011779 A NL7011779 A NL 7011779A NL 7011779 A NL7011779 A NL 7011779A NL 139836 B NL139836 B NL 139836B
Authority
NL
Netherlands
Prior art keywords
educational tool
educational
tool
Prior art date
Application number
NL7011779A
Other languages
Dutch (nl)
Other versions
NL7011779A (en
Original Assignee
Poort Dirk Jan
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 Poort Dirk Jan filed Critical Poort Dirk Jan
Publication of NL7011779A publication Critical patent/NL7011779A/xx
Publication of NL139836B publication Critical patent/NL139836B/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
    • G09B3/00—Manually or mechanically operated teaching appliances working with questions and answers
    • G09B3/06—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made
    • G09B3/10—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made wherein one set of answers is common to a plurality of questions
    • G09B3/12—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made wherein one set of answers is common to a plurality of questions of chart form
    • 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
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating

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)
  • Entrepreneurship & Innovation (AREA)
NL7011779A 1970-06-16 1970-08-10 EDUCATIONAL TOOL. NL139836B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE90435 1970-06-16

Publications (2)

Publication Number Publication Date
NL7011779A NL7011779A (en) 1971-12-20
NL139836B true NL139836B (en) 1973-09-17

Family

ID=3841371

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7011779A NL139836B (en) 1970-06-16 1970-08-10 EDUCATIONAL TOOL.

Country Status (1)

Country Link
NL (1) NL139836B (en)

Also Published As

Publication number Publication date
NL7011779A (en) 1971-12-20

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