CH195988A - Lehrmittel für den Rechenunterricht. - Google Patents

Lehrmittel für den Rechenunterricht.

Info

Publication number
CH195988A
CH195988A CH195988DA CH195988A CH 195988 A CH195988 A CH 195988A CH 195988D A CH195988D A CH 195988DA CH 195988 A CH195988 A CH 195988A
Authority
CH
Switzerland
Prior art keywords
lessons
arithmetic
teaching aids
teaching
aids
Prior art date
Application number
Other languages
English (en)
Inventor
Rudolf Schlegel
Original Assignee
Rudolf Schlegel
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
Application filed by Rudolf Schlegel filed Critical Rudolf Schlegel
Publication of CH195988A publication Critical patent/CH195988A/de

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
    • 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

  • 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)
  • Entrepreneurship & Innovation (AREA)
CH195988D 1938-07-09 1937-07-09 Lehrmittel für den Rechenunterricht. CH195988A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH195988T 1938-07-09

Publications (1)

Publication Number Publication Date
CH195988A true CH195988A (de) 1938-02-28

Family

ID=4440201

Family Applications (1)

Application Number Title Priority Date Filing Date
CH195988D CH195988A (de) 1938-07-09 1937-07-09 Lehrmittel für den Rechenunterricht.

Country Status (1)

Country Link
CH (1) CH195988A (de)

Similar Documents

Publication Publication Date Title
FR847697A (fr) Transmetteurs télégraphiques
FR842619A (fr) Transmission
CH195988A (de) Lehrmittel für den Rechenunterricht.
FR822162A (fr) Perfectionnements aux sièges
FR862086A (fr) Fourrure de serrage
FR727340A (fr) Raccord frette
FR726386A (fr) Perfectionnement aux engrenages élastiques
FR834080A (fr) Indicateur de dureté
FR839049A (fr) Différentiel
CH92597A (de) Lehrmittel für den elementaren Rechenunterricht.
FR823015A (fr) Agenda perpétuel
FR728453A (fr) Cribleur vibratoire multiple
FR738009A (fr) Perfectionnements aux batteuses
FR822751A (fr) Différentiel
FR713019A (fr) Perfectionnements aux transformateurs
FR835077A (fr) Perfectionnements aux silencieux
FR843735A (fr) étau de machine
CH160150A (de) Hilfsmittel für Handarbeiten.
FI18704A (fi) Sätt att utvinna svaveldioxid ur gasblandningar
FR869456A (fr) Train de renvoi réducteur
FI14847A (fi) Sätt att utkondensera svavelarsenik ur svavel- och arsenikhaltiga gaser
ES425Y (es) Aparato aritmético.
FI18468A (fi) Sätt att förse trärör med bandarmering
FR821988A (fr) Matériel éducatif du type stéréoscopique
FR834313A (fr) Perfectionnement aux remorques