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AU3051730A - A mechanical device for use in teaching arithmetic to children - Google Patents

A mechanical device for use in teaching arithmetic to children

Info

Publication number
AU3051730A
AU3051730A AU30517/30A AU3051730A AU3051730A AU 3051730 A AU3051730 A AU 3051730A AU 30517/30 A AU30517/30 A AU 30517/30A AU 3051730 A AU3051730 A AU 3051730A AU 3051730 A AU3051730 A AU 3051730A
Authority
AU
Australia
Prior art keywords
children
mechanical device
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
AU30517/30A
Other versions
AU3051730B (en
Inventor
Wynne Williams Richard
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU30517/30A priority Critical patent/AU3051730B/en
Priority claimed from AU30517/30A external-priority patent/AU3051730B/en
Publication of AU3051730A publication Critical patent/AU3051730A/en
Publication of AU3051730B publication Critical patent/AU3051730B/en
Expired legal-status Critical Current

Links

AU30517/30A 1930-12-03 1930-12-03 A mechanical device for use in teaching arithmetic to children Expired AU3051730B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU30517/30A AU3051730B (en) 1930-12-03 1930-12-03 A mechanical device for use in teaching arithmetic to children

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU30517/30A AU3051730B (en) 1930-12-03 1930-12-03 A mechanical device for use in teaching arithmetic to children

Publications (2)

Publication Number Publication Date
AU3051730A true AU3051730A (en) 1932-03-10
AU3051730B AU3051730B (en) 1932-03-10

Family

ID=63368974

Family Applications (1)

Application Number Title Priority Date Filing Date
AU30517/30A Expired AU3051730B (en) 1930-12-03 1930-12-03 A mechanical device for use in teaching arithmetic to children

Country Status (1)

Country Link
AU (1) AU3051730B (en)

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