AU619712A - Improvements inthe working of telegraph and telephone circuits andthe like - Google Patents

Improvements inthe working of telegraph and telephone circuits andthe like

Info

Publication number
AU619712A
AU619712A AU6197/12A AU619712A AU619712A AU 619712 A AU619712 A AU 619712A AU 6197/12 A AU6197/12 A AU 6197/12A AU 619712 A AU619712 A AU 619712A AU 619712 A AU619712 A AU 619712A
Authority
AU
Australia
Prior art keywords
telegraph
telephone circuits
improvements inthe
andthe
inthe working
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
AU6197/12A
Other versions
AU619712B (en
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.)
Ernest Sydney Heartley
Original Assignee
Ernest Sydney Heartley
Filing date
Publication date
Application filed by Ernest Sydney Heartley filed Critical Ernest Sydney Heartley
Priority to AU6197/12A priority Critical patent/AU619712B/en
Priority claimed from AU6197/12A external-priority patent/AU619712B/en
Publication of AU619712A publication Critical patent/AU619712A/en
Publication of AU619712B publication Critical patent/AU619712B/en
Expired legal-status Critical Current

Links

AU6197/12A 1911-09-20 1912-08-26 Improvements inthe working of telegraph and telephone circuits andthe like Expired AU619712B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU6197/12A AU619712B (en) 1911-09-20 1912-08-26 Improvements inthe working of telegraph and telephone circuits andthe like

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB191120787T 1911-09-20
AU6197/12A AU619712B (en) 1911-09-20 1912-08-26 Improvements inthe working of telegraph and telephone circuits andthe like

Publications (2)

Publication Number Publication Date
AU619712A true AU619712A (en) 1912-09-21
AU619712B AU619712B (en) 1912-09-21

Family

ID=61622881

Family Applications (1)

Application Number Title Priority Date Filing Date
AU6197/12A Expired AU619712B (en) 1911-09-20 1912-08-26 Improvements inthe working of telegraph and telephone circuits andthe like

Country Status (1)

Country Link
AU (1) AU619712B (en)

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