CH39458A - Rechenlehrmittel - Google Patents

Rechenlehrmittel

Info

Publication number
CH39458A
CH39458A CH39458A CH39458DA CH39458A CH 39458 A CH39458 A CH 39458A CH 39458 A CH39458 A CH 39458A CH 39458D A CH39458D A CH 39458DA CH 39458 A CH39458 A CH 39458A
Authority
CH
Switzerland
Prior art keywords
teaching aids
arithmetic teaching
arithmetic
aids
teaching
Prior art date
Application number
CH39458A
Other languages
English (en)
Inventor
Franz Schelivsky
Franz Weyrer
Original Assignee
Franz Schelivsky
Franz Weyrer
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 Franz Schelivsky, Franz Weyrer filed Critical Franz Schelivsky
Publication of CH39458A publication Critical patent/CH39458A/de

Links

CH39458A 1907-02-01 1907-02-01 Rechenlehrmittel CH39458A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH39458T 1907-02-01

Publications (1)

Publication Number Publication Date
CH39458A true CH39458A (de) 1908-03-16

Family

ID=4266861

Family Applications (1)

Application Number Title Priority Date Filing Date
CH39458A CH39458A (de) 1907-02-01 1907-02-01 Rechenlehrmittel

Country Status (1)

Country Link
CH (1) CH39458A (de)

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