FR635697A - Abaque - Google Patents

Abaque

Info

Publication number
FR635697A
FR635697A FR635697DA FR635697A FR 635697 A FR635697 A FR 635697A FR 635697D A FR635697D A FR 635697DA FR 635697 A FR635697 A FR 635697A
Authority
FR
France
Prior art keywords
abacus
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
Gustav Schacht
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 FR635697A publication Critical patent/FR635697A/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)
FR635697D 1927-06-09 1927-06-09 Abaque Expired FR635697A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR635697T 1927-06-09

Publications (1)

Publication Number Publication Date
FR635697A true FR635697A (fr) 1928-03-22

Family

ID=8994412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR635697D Expired FR635697A (fr) 1927-06-09 1927-06-09 Abaque

Country Status (1)

Country Link
FR (1) FR635697A (fr)

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