DE180886C - - Google Patents

Info

Publication number
DE180886C
DE180886C DENDAT180886D DE180886DA DE180886C DE 180886 C DE180886 C DE 180886C DE NDAT180886 D DENDAT180886 D DE NDAT180886D DE 180886D A DE180886D A DE 180886DA DE 180886 C DE180886 C DE 180886C
Authority
DE
Germany
Prior art keywords
arithmetic
whole
board
objects
rows
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.)
Active
Application number
DENDAT180886D
Other languages
German (de)
English (en)
Publication of DE180886C publication Critical patent/DE180886C/de
Active 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)
  • Drawing Aids And Blackboards (AREA)
DENDAT180886D Active DE180886C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE180886C true DE180886C (enrdf_load_html_response)

Family

ID=445113

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT180886D Active DE180886C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE180886C (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482402A (en) * 1948-05-27 1949-09-20 James N Corcodilos Educational toy blocks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482402A (en) * 1948-05-27 1949-09-20 James N Corcodilos Educational toy blocks

Similar Documents

Publication Publication Date Title
DE180886C (enrdf_load_html_response)
DE102013005224B4 (de) Zahlen-Lehrmittel
DE3943439A1 (de) Geraet fuer die untersuchung von statistischen vorgaengen
DE265451C (enrdf_load_html_response)
DE285841C (enrdf_load_html_response)
DE159006C (enrdf_load_html_response)
DE904472C (de) Zeichenrahmen mit umspannbarem Zeichennetz
DE164165C (enrdf_load_html_response)
DE66437C (de) Rechenlehrmittel
AT165263B (enrdf_load_html_response)
DE841816C (de) Schul-Rechenmaschine
DE20741C (de) Lehrmittelapparat für den Anschauungsunterricht
DE133265C (enrdf_load_html_response)
DE346210C (de) Rechenvorrichtung fuer Lehrzwecke
DE37938C (de) Lehrpult mit Wandtafel und Lesemaschine kombinirt
DE255020C (enrdf_load_html_response)
DE510198C (de) Vorrichtung zum Auswaehlen von Karten aus Karteien, bei der die Anzahl der verstellbaren Waehler der Anzahl der Unterscheidungsmerkmale der Karten entspricht
DE2407127A1 (de) Didaktische vorrichtung
DE13090C (de) Rechenmaschine
DE815720C (de) Maschine zur Herstellung von in sich haltenden Erdtoepfen
DE448395C (de) Rechenlehrmittel
DE820509C (de) anschauungsmittel zum Erkennen von Ziffernwerten beim Rechnen
EP0154305A1 (de) Vorrichtung zur Befestigung von Gegenständen an einer Lochplatte
DE124580C (enrdf_load_html_response)
DE586199C (de) Vorrichtung zum Chiffrieren und Dechiffrieren