CA195097A - Telephone and telegraph device - Google Patents

Telephone and telegraph device

Info

Publication number
CA195097A
CA195097A CA000195097A CA195097DA CA195097A CA 195097 A CA195097 A CA 195097A CA 000195097 A CA000195097 A CA 000195097A CA 195097D A CA195097D A CA 195097DA CA 195097 A CA195097 A CA 195097A
Authority
CA
Canada
Prior art keywords
telephone
telegraph device
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
CA000195097A
Other languages
French (fr)
Inventor
Leon Nicolas Brillouin
Georges Armand Beauvais
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA195097A publication Critical patent/CA195097A/en
Expired legal-status Critical Current

Links

CA000195097A 1918-06-19 1918-06-19 Telephone and telegraph device Expired CA195097A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA195097T 1918-06-19

Publications (1)

Publication Number Publication Date
CA195097A true CA195097A (en) 1919-12-23

Family

ID=45314748

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000195097A Expired CA195097A (en) 1918-06-19 1918-06-19 Telephone and telegraph device

Country Status (1)

Country Link
CA (1) CA195097A (en)

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