DE209511C - - Google Patents

Info

Publication number
DE209511C
DE209511C DENDAT209511D DE209511DA DE209511C DE 209511 C DE209511 C DE 209511C DE NDAT209511 D DENDAT209511 D DE NDAT209511D DE 209511D A DE209511D A DE 209511DA DE 209511 C DE209511 C DE 209511C
Authority
DE
Germany
Prior art keywords
bar
strips
pins
bars
teaching device
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
DENDAT209511D
Other languages
German (de)
English (en)
Publication of DE209511C publication Critical patent/DE209511C/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
    • G09B15/00—Teaching music
    • G09B15/02—Boards or like means for providing an indication of notes
    • G09B15/04—Boards or like means for providing an indication of notes with sound emitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
DENDAT209511D Active DE209511C (en(2012))

Publications (1)

Publication Number Publication Date
DE209511C true DE209511C (en(2012))

Family

ID=471474

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT209511D Active DE209511C (en(2012))

Country Status (1)

Country Link
DE (1) DE209511C (en(2012))

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193351A (en) * 1992-02-28 1993-03-16 Spx Corporation Refrigerant recovery and purification system
US5357768A (en) * 1987-10-19 1994-10-25 Steenburgh Leon R Jr Refrigerant reclaim method and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5357768A (en) * 1987-10-19 1994-10-25 Steenburgh Leon R Jr Refrigerant reclaim method and apparatus
US5193351A (en) * 1992-02-28 1993-03-16 Spx Corporation Refrigerant recovery and purification system

Similar Documents

Publication Publication Date Title
DE209511C (en(2012))
DE45947C (de) Schreibmaschine für Blinde
DE302265C (de) Lese-und Vortragsmaschine fuer blinde und schlechtsehende
DE251578C (en(2012))
DE25443C (de) Rechenapparat für Schulen
DE133879C (en(2012))
DE155549C (en(2012))
DE190009C (en(2012))
DE159925C (en(2012))
DE150759C (en(2012))
DE316283C (en(2012))
DE96629C (en(2012))
DE146924C (en(2012))
DE16804C (de) Perforir-Stempelapparat
DE89160C (en(2012))
DE2538366B2 (de) Vorrichtung zum Spielen eines Zupf- und Streichinstrumentes
DE245626C (en(2012))
DE137587C (en(2012))
DE282177C (en(2012))
DE152140C (en(2012))
DE82641C (en(2012))
DE162459C (en(2012))
DE181243C (en(2012))
DE2335787C3 (de) Schriftschablone
DE3502780A1 (de) Zeichenbrett mit plotter