CA645300A - Teaching machine - Google Patents

Teaching machine

Info

Publication number
CA645300A
CA645300A CA645300A CA645300DA CA645300A CA 645300 A CA645300 A CA 645300A CA 645300 A CA645300 A CA 645300A CA 645300D A CA645300D A CA 645300DA CA 645300 A CA645300 A CA 645300A
Authority
CA
Canada
Prior art keywords
teaching machine
teaching
machine
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
CA645300A
Inventor
H. Northcott Alvin
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 CA645300A publication Critical patent/CA645300A/en
Expired legal-status Critical Current

Links

CA645300A Teaching machine Expired CA645300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA645300T

Publications (1)

Publication Number Publication Date
CA645300A true CA645300A (en) 1962-07-24

Family

ID=35933953

Family Applications (1)

Application Number Title Priority Date Filing Date
CA645300A Expired CA645300A (en) Teaching machine

Country Status (1)

Country Link
CA (1) CA645300A (en)

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