CA406845A - Circuit pour enseignement telegraphique - Google Patents

Circuit pour enseignement telegraphique

Info

Publication number
CA406845A
CA406845A CA406845A CA406845DA CA406845A CA 406845 A CA406845 A CA 406845A CA 406845 A CA406845 A CA 406845A CA 406845D A CA406845D A CA 406845DA CA 406845 A CA406845 A CA 406845A
Authority
CA
Canada
Prior art keywords
telegraphic
instruction circuit
instruction
circuit
telegraphic instruction
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
CA406845A
Other languages
English (en)
Inventor
B. Zimmerman Walter
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.)
SCHOOL DISTRICT OF WINNIPEG NO 1
Original Assignee
SCHOOL DISTRICT OF WINNIPEG NO 1
Publication date
Application granted granted Critical
Publication of CA406845A publication Critical patent/CA406845A/fr
Expired legal-status Critical Current

Links

CA406845A Circuit pour enseignement telegraphique Expired CA406845A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA406845T

Publications (1)

Publication Number Publication Date
CA406845A true CA406845A (fr) 1942-08-18

Family

ID=35418145

Family Applications (1)

Application Number Title Priority Date Filing Date
CA406845A Expired CA406845A (fr) Circuit pour enseignement telegraphique

Country Status (1)

Country Link
CA (1) CA406845A (fr)

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