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CA8339A - Improvements on speaking telegraphs - Google Patents

Improvements on speaking telegraphs

Info

Publication number
CA8339A
CA8339A CA000008339A CA8339DA CA8339A CA 8339 A CA8339 A CA 8339A CA 000008339 A CA000008339 A CA 000008339A CA 8339D A CA8339D A CA 8339DA CA 8339 A CA8339 A CA 8339A
Authority
CA
Canada
Prior art keywords
telegraphs
speaking
speaking telegraphs
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
CA000008339A
Other languages
French (fr)
Inventor
James J. Mctighe
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 CA8339A publication Critical patent/CA8339A/en
Expired legal-status Critical Current

Links

CA000008339A Improvements on speaking telegraphs Expired CA8339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA8339T

Publications (1)

Publication Number Publication Date
CA8339A true CA8339A (en) 1878-01-22

Family

ID=45124888

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000008339A Expired CA8339A (en) Improvements on speaking telegraphs

Country Status (1)

Country Link
CA (1) CA8339A (en)

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