CA193281A - Telegraph system - Google Patents

Telegraph system

Info

Publication number
CA193281A
CA193281A CA000193281A CA193281DA CA193281A CA 193281 A CA193281 A CA 193281A CA 000193281 A CA000193281 A CA 000193281A CA 193281D A CA193281D A CA 193281DA CA 193281 A CA193281 A CA 193281A
Authority
CA
Canada
Prior art keywords
telegraph system
telegraph
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
CA000193281A
Other languages
French (fr)
Inventor
Harry Pfannenstiehl
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA193281A publication Critical patent/CA193281A/en
Expired legal-status Critical Current

Links

CA000193281A 1918-09-24 1918-09-24 Telegraph system Expired CA193281A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA193281T 1918-09-24

Publications (1)

Publication Number Publication Date
CA193281A true CA193281A (en) 1919-10-14

Family

ID=45312932

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000193281A Expired CA193281A (en) 1918-09-24 1918-09-24 Telegraph system

Country Status (1)

Country Link
CA (1) CA193281A (en)

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