DE197262C - - Google Patents

Info

Publication number
DE197262C
DE197262C DENDAT197262D DE197262DA DE197262C DE 197262 C DE197262 C DE 197262C DE NDAT197262 D DENDAT197262 D DE NDAT197262D DE 197262D A DE197262D A DE 197262DA DE 197262 C DE197262 C DE 197262C
Authority
DE
Germany
Prior art keywords
endless
picture
prisms
attached
same
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
DENDAT197262D
Other languages
German (de)
English (en)
Publication of DE197262C publication Critical patent/DE197262C/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
    • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
    • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
    • G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
    • G09B1/24—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being in flexible strip form, e.g. endless bands

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)
DENDAT197262D Active DE197262C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE197262C true DE197262C (enrdf_load_stackoverflow)

Family

ID=460162

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT197262D Active DE197262C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE197262C (enrdf_load_stackoverflow)

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