DE194420C - - Google Patents

Info

Publication number
DE194420C
DE194420C DENDAT194420D DE194420DA DE194420C DE 194420 C DE194420 C DE 194420C DE NDAT194420 D DENDAT194420 D DE NDAT194420D DE 194420D A DE194420D A DE 194420DA DE 194420 C DE194420 C DE 194420C
Authority
DE
Germany
Prior art keywords
ball
wheel
circumference
axis
revolution
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
DENDAT194420D
Other languages
German (de)
English (en)
Publication of DE194420C publication Critical patent/DE194420C/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
    • G09B27/00—Planetaria; Globes
    • G09B27/08—Globes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)
DENDAT194420D Active DE194420C (cs)

Publications (1)

Publication Number Publication Date
DE194420C true DE194420C (cs)

Family

ID=457562

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT194420D Active DE194420C (cs)

Country Status (1)

Country Link
DE (1) DE194420C (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2870550A (en) * 1958-01-28 1959-01-27 Decker Lambert Toy earth satellite
US2916850A (en) * 1958-02-10 1959-12-15 Bertha V Vlachos Combined educational device and toy
FR2615297A1 (fr) * 1987-05-12 1988-11-18 Vuarnesson Bernard Appareil reproduisant la vision apparente des astres

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2870550A (en) * 1958-01-28 1959-01-27 Decker Lambert Toy earth satellite
US2916850A (en) * 1958-02-10 1959-12-15 Bertha V Vlachos Combined educational device and toy
FR2615297A1 (fr) * 1987-05-12 1988-11-18 Vuarnesson Bernard Appareil reproduisant la vision apparente des astres
EP0291402A3 (en) * 1987-05-12 1989-01-11 Sculptures Jeux S.A. Device reproducing an apparent view of the stars

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