CA165894A - Educational device - Google Patents

Educational device

Info

Publication number
CA165894A
CA165894A CA000165894A CA165894DA CA165894A CA 165894 A CA165894 A CA 165894A CA 000165894 A CA000165894 A CA 000165894A CA 165894D A CA165894D A CA 165894DA CA 165894 A CA165894 A CA 165894A
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
CA000165894A
Other languages
French (fr)
Inventor
John L. Pringle
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.)
O'NEILL HENRY E
WALKER HAROLD E
Original Assignee
O'NEILL HENRY E
WALKER HAROLD E
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 O'NEILL HENRY E, WALKER HAROLD E filed Critical O'NEILL HENRY E
Application granted granted Critical
Publication of CA165894A publication Critical patent/CA165894A/en
Expired legal-status Critical Current

Links

CA000165894A 1915-07-05 1915-07-05 Educational device Expired CA165894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA165894T 1915-07-05

Publications (1)

Publication Number Publication Date
CA165894A true CA165894A (en) 1915-11-09

Family

ID=45285573

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000165894A Expired CA165894A (en) 1915-07-05 1915-07-05 Educational device

Country Status (1)

Country Link
CA (1) CA165894A (en)

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