FR659573A - Educational toy ruler - Google Patents

Educational toy ruler

Info

Publication number
FR659573A
FR659573A FR659573DA FR659573A FR 659573 A FR659573 A FR 659573A FR 659573D A FR659573D A FR 659573DA FR 659573 A FR659573 A FR 659573A
Authority
FR
France
Prior art keywords
ruler
educational toy
educational
toy
toy ruler
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
Fernand-Joseph Bourgeois
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 FR659573A publication Critical patent/FR659573A/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)
FR659573D 1928-08-28 1928-08-28 Educational toy ruler Expired FR659573A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR659573T 1928-08-28

Publications (1)

Publication Number Publication Date
FR659573A true FR659573A (en) 1929-07-01

Family

ID=9009752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR659573D Expired FR659573A (en) 1928-08-28 1928-08-28 Educational toy ruler

Country Status (1)

Country Link
FR (1) FR659573A (en)

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