FR648568A - Boîte de calcul - Google Patents

Boîte de calcul

Info

Publication number
FR648568A
FR648568A FR648568DA FR648568A FR 648568 A FR648568 A FR 648568A FR 648568D A FR648568D A FR 648568DA FR 648568 A FR648568 A FR 648568A
Authority
FR
France
Prior art keywords
calculation box
calculation
box
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
Anne-Leontine-Nicola Amieux
Germaine-Louise-Rach Stoeckel
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 FR648568A publication Critical patent/FR648568A/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
    • 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)
FR648568D 1928-02-09 1928-02-09 Boîte de calcul Expired FR648568A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR648568T 1928-02-09

Publications (1)

Publication Number Publication Date
FR648568A true FR648568A (fr) 1928-12-11

Family

ID=9002780

Family Applications (1)

Application Number Title Priority Date Filing Date
FR648568D Expired FR648568A (fr) 1928-02-09 1928-02-09 Boîte de calcul

Country Status (1)

Country Link
FR (1) FR648568A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248804A (en) * 1962-07-16 1966-05-03 Jorgens Olive Virginia Teaching aid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248804A (en) * 1962-07-16 1966-05-03 Jorgens Olive Virginia Teaching aid

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