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AU3051730B - 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
AU3051730B
AU3051730B AU30517/30A AU3051730A AU3051730B AU 3051730 B AU3051730 B AU 3051730B AU 30517/30 A AU30517/30 A AU 30517/30A AU 3051730 A AU3051730 A AU 3051730A AU 3051730 B AU3051730 B AU 3051730B
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
AU3051730A (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
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
Priority to AU30517/30A priority Critical 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 AU3051730A (en) 1932-03-10
AU3051730B true 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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