FR1031583A - Instrument for teaching - Google Patents

Instrument for teaching

Info

Publication number
FR1031583A
FR1031583A FR1031583DA FR1031583A FR 1031583 A FR1031583 A FR 1031583A FR 1031583D A FR1031583D A FR 1031583DA FR 1031583 A FR1031583 A FR 1031583A
Authority
FR
France
Prior art keywords
teaching
instrument
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
Wilhelmus Antonius Lommers
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 FR1031583A publication Critical patent/FR1031583A/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
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR1031583D 1949-07-30 1950-07-29 Instrument for teaching Expired FR1031583A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1031583X 1949-07-30

Publications (1)

Publication Number Publication Date
FR1031583A true FR1031583A (en) 1953-06-24

Family

ID=3892617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031583D Expired FR1031583A (en) 1949-07-30 1950-07-29 Instrument for teaching

Country Status (1)

Country Link
FR (1) FR1031583A (en)

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