GB134780A - Improvements in or relating to Telephone and Telegraph Systems. - Google Patents

Improvements in or relating to Telephone and Telegraph Systems.

Info

Publication number
GB134780A
GB134780A GB1373919A GB1373919A GB134780A GB 134780 A GB134780 A GB 134780A GB 1373919 A GB1373919 A GB 1373919A GB 1373919 A GB1373919 A GB 1373919A GB 134780 A GB134780 A GB 134780A
Authority
GB
United Kingdom
Prior art keywords
telephone
relating
telegraph systems
telegraph
systems
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
GB1373919A
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.)
Automatic Telephone Manufacturing Co Ltd
Original Assignee
Automatic Telephone Manufacturing Co Ltd
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 Automatic Telephone Manufacturing Co Ltd filed Critical Automatic Telephone Manufacturing Co Ltd
Priority to GB1373919A priority Critical patent/GB134780A/en
Publication of GB134780A publication Critical patent/GB134780A/en
Expired legal-status Critical Current

Links

GB1373919A 1919-05-30 1919-05-30 Improvements in or relating to Telephone and Telegraph Systems. Expired GB134780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1373919A GB134780A (en) 1919-05-30 1919-05-30 Improvements in or relating to Telephone and Telegraph Systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1373919A GB134780A (en) 1919-05-30 1919-05-30 Improvements in or relating to Telephone and Telegraph Systems.

Publications (1)

Publication Number Publication Date
GB134780A true GB134780A (en) 1919-11-13

Family

ID=35242419

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1373919A Expired GB134780A (en) 1919-05-30 1919-05-30 Improvements in or relating to Telephone and Telegraph Systems.

Country Status (1)

Country Link
GB (1) GB134780A (en)

Similar Documents

Publication Publication Date Title
GB134780A (en) Improvements in or relating to Telephone and Telegraph Systems.
AU1885220A (en) Improvements in or relating to party line telephone systems
AU1032919A (en) Improvements in or relating to telephone systems
AU1047419A (en) Improvements in or relating to telephone systems
AU1047519A (en) Improvements in or relating to telephone systems
AU400121A (en) Improvements in or relating to telephone systems
AU1400420A (en) Improvements in or relating in party line telephone systems
AU408526A (en) Improvements in or relating to aerial systems for use in wireless telegraphy and telephony
AU1832320A (en) Improvements in or relating to telephone systems
AU543822A (en) Improvements in or relating to line or wireless telegraph systems
AU418121A (en) Improvements in or relating to telephone systems
AU28121A (en) Improvements in or relating to telephone systems
AU235021A (en) Improvements in or relating to telephone systems
AU1398920A (en) Improvements in or relating to telephone systems
AU297721A (en) Improvements in or relating to telephone systems
AU314621A (en) Improvements in or relating to telephone systems
AU36421A (en) Improvements in or relating to telephone systems
AU398921A (en) Improvements in or relating to telephone systems
AU400321A (en) Improvements in or relating to telephone systems
AU478221A (en) Improvements in or relating to telephone systems
AU972122A (en) Improvements in or relating to telephone systems
AU1658120A (en) Improvements in wave telephone systems
AU747222A (en) Improvements in or relating to telephone systems
AU758922A (en) Improvements in or relating to telephone systems
AU917522A (en) Improvements in or relating to telephone systems