CH7821A - Apparatus for learning the multiplication tables - Google Patents

Apparatus for learning the multiplication tables

Info

Publication number
CH7821A
CH7821A CH7821A CH7821DA CH7821A CH 7821 A CH7821 A CH 7821A CH 7821 A CH7821 A CH 7821A CH 7821D A CH7821D A CH 7821DA CH 7821 A CH7821 A CH 7821A
Authority
CH
Switzerland
Prior art keywords
learning
multiplication tables
multiplication
tables
Prior art date
Application number
CH7821A
Other languages
German (de)
Inventor
Ernst Troelltsch
Original Assignee
Ernst Troelltsch
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 Ernst Troelltsch filed Critical Ernst Troelltsch
Publication of CH7821A publication Critical patent/CH7821A/en

Links

CH7821A 1893-12-08 1893-12-08 Apparatus for learning the multiplication tables CH7821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7821T 1893-12-08

Publications (1)

Publication Number Publication Date
CH7821A true CH7821A (en) 1894-07-15

Family

ID=4195044

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7821A CH7821A (en) 1893-12-08 1893-12-08 Apparatus for learning the multiplication tables

Country Status (1)

Country Link
CH (1) CH7821A (en)

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