CH517982A - Learning and play device for arithmetic - Google Patents

Learning and play device for arithmetic

Info

Publication number
CH517982A
CH517982A CH1083869A CH1083869A CH517982A CH 517982 A CH517982 A CH 517982A CH 1083869 A CH1083869 A CH 1083869A CH 1083869 A CH1083869 A CH 1083869A CH 517982 A CH517982 A CH 517982A
Authority
CH
Switzerland
Prior art keywords
arithmetic
learning
play device
play
Prior art date
Application number
CH1083869A
Other languages
German (de)
Inventor
Thevis-Eigelshofen Karola
Original Assignee
Schilkroet Ag
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
Priority claimed from DE19681772896 external-priority patent/DE1772896B2/en
Priority claimed from DE19681803134 external-priority patent/DE1803134A1/en
Application filed by Schilkroet Ag filed Critical Schilkroet Ag
Publication of CH517982A publication Critical patent/CH517982A/en

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)
  • Toys (AREA)
CH1083869A 1968-07-17 1969-07-16 Learning and play device for arithmetic CH517982A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19681772896 DE1772896B2 (en) 1968-07-17 1968-07-17 Learning and play device to illustrate arithmetic processes
DE19681803134 DE1803134A1 (en) 1968-10-15 1968-10-15 Learning calculator

Publications (1)

Publication Number Publication Date
CH517982A true CH517982A (en) 1972-01-15

Family

ID=25755625

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1083869A CH517982A (en) 1968-07-17 1969-07-16 Learning and play device for arithmetic

Country Status (6)

Country Link
US (1) US3645440A (en)
AT (1) AT307090B (en)
CH (1) CH517982A (en)
FR (1) FR2013119A1 (en)
GB (1) GB1274037A (en)
SE (1) SE355885B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0125836A3 (en) * 1983-05-06 1986-07-02 O'Malley, Arthur Robert Teaching aid
WO2012017397A2 (en) * 2010-08-03 2012-02-09 Its Mediaservice Gmbh Counting board
CN107293192A (en) * 2017-06-02 2017-10-24 陈晓纪 The mathematics teaching aid trained for mathematical thinking

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575866A (en) * 1951-11-20 Calculating machine
US1347014A (en) * 1920-07-20 Time-computing apparatus
US939222A (en) * 1906-01-04 1909-11-09 John M Daly Tonnage-equating machine.
US939479A (en) * 1907-04-10 1909-11-09 John M Daly Computing-machine.
US1214262A (en) * 1914-09-12 1917-01-30 Caesar R Bannihr Computing device.
US2549248A (en) * 1949-05-14 1951-04-17 William H Scott Game scoring device
US3160345A (en) * 1960-04-22 1964-12-08 Edward C Walsh Manual calculator having multiple rotary inputs
US3507447A (en) * 1968-08-05 1970-04-21 Edward C Walsh Adding machine adapted to be held in one hand

Also Published As

Publication number Publication date
AT307090B (en) 1973-05-10
GB1274037A (en) 1972-05-10
FR2013119A1 (en) 1970-03-27
SE355885B (en) 1973-05-07
US3645440A (en) 1972-02-29

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Legal Events

Date Code Title Description
PL Patent ceased