CA98189A - Appareil pour enseigner l'arithmetique - Google Patents

Appareil pour enseigner l'arithmetique

Info

Publication number
CA98189A
CA98189A CA000098189A CA98189DA CA98189A CA 98189 A CA98189 A CA 98189A CA 000098189 A CA000098189 A CA 000098189A CA 98189D A CA98189D A CA 98189DA CA 98189 A CA98189 A CA 98189A
Authority
CA
Canada
Prior art keywords
teaching arithmetic
teaching
arithmetic
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.)
Expired
Application number
CA000098189A
Other languages
English (en)
Inventor
Henry Alfred Hands
Charles Wallace Duncan
Andrew Leitch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA98189A publication Critical patent/CA98189A/fr
Expired legal-status Critical Current

Links

CA000098189A 1906-01-08 1906-01-08 Appareil pour enseigner l'arithmetique Expired CA98189A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA98189T 1906-01-08

Publications (1)

Publication Number Publication Date
CA98189A true CA98189A (fr) 1906-03-27

Family

ID=45214723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000098189A Expired CA98189A (fr) 1906-01-08 1906-01-08 Appareil pour enseigner l'arithmetique

Country Status (1)

Country Link
CA (1) CA98189A (fr)

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