CA272054A - Educational device - Google Patents

Educational device

Info

Publication number
CA272054A
CA272054A CA272054A CA272054DA CA272054A CA 272054 A CA272054 A CA 272054A CA 272054 A CA272054 A CA 272054A CA 272054D A CA272054D A CA 272054DA CA 272054 A CA272054 A CA 272054A
Authority
CA
Canada
Prior art keywords
educational device
educational
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
CA272054A
Other languages
French (fr)
Inventor
E. Birdsall Ida
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
Publication date
Application granted granted Critical
Publication of CA272054A publication Critical patent/CA272054A/en
Expired legal-status Critical Current

Links

CA272054A Educational device Expired CA272054A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA272054T

Publications (1)

Publication Number Publication Date
CA272054A true CA272054A (en) 1927-07-05

Family

ID=35202085

Family Applications (1)

Application Number Title Priority Date Filing Date
CA272054A Expired CA272054A (en) Educational device

Country Status (1)

Country Link
CA (1) CA272054A (en)

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