DE116522C - - Google Patents

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Publication number
DE116522C
DE116522C DENDAT116522D DE116522DA DE116522C DE 116522 C DE116522 C DE 116522C DE NDAT116522 D DENDAT116522 D DE NDAT116522D DE 116522D A DE116522D A DE 116522DA DE 116522 C DE116522 C DE 116522C
Authority
DE
Germany
Prior art keywords
numbers
arithmetic
illustration
combined
bodies
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.)
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Application number
DENDAT116522D
Other languages
German (de)
English (en)
Publication of DE116522C publication Critical patent/DE116522C/de
Active legal-status Critical Current

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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

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  • 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)
  • Pens And Brushes (AREA)
DENDAT116522D Active DE116522C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE116522C true DE116522C (enrdf_load_html_response)

Family

ID=385863

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT116522D Active DE116522C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE116522C (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881420C (de) * 1950-07-05 1953-06-29 Bernhard Niepage Lehrmittel zum Rechnen mit Zaehlkoerpern
US2801107A (en) * 1954-01-14 1957-07-30 Jr Carl S Greer Three-dimension tic-tac-toe apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881420C (de) * 1950-07-05 1953-06-29 Bernhard Niepage Lehrmittel zum Rechnen mit Zaehlkoerpern
US2801107A (en) * 1954-01-14 1957-07-30 Jr Carl S Greer Three-dimension tic-tac-toe apparatus

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