DE175356C - - Google Patents

Info

Publication number
DE175356C
DE175356C DENDAT175356D DE175356DA DE175356C DE 175356 C DE175356 C DE 175356C DE NDAT175356 D DENDAT175356 D DE NDAT175356D DE 175356D A DE175356D A DE 175356DA DE 175356 C DE175356 C DE 175356C
Authority
DE
Germany
Prior art keywords
attached
cord
plate
disk
disks
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
DENDAT175356D
Other languages
German (de)
English (en)
Publication of DE175356C publication Critical patent/DE175356C/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)
  • Details Of Measuring And Other Instruments (AREA)
DENDAT175356D Active DE175356C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE175356C true DE175356C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=440018

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT175356D Active DE175356C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE175356C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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