CA92862A - Apparatus for telephone trunk lines - Google Patents

Apparatus for telephone trunk lines

Info

Publication number
CA92862A
CA92862A CA000092862A CA92862DA CA92862A CA 92862 A CA92862 A CA 92862A CA 000092862 A CA000092862 A CA 000092862A CA 92862D A CA92862D A CA 92862DA CA 92862 A CA92862 A CA 92862A
Authority
CA
Canada
Prior art keywords
trunk lines
telephone trunk
telephone
lines
trunk
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
CA000092862A
Other languages
French (fr)
Inventor
Walter Otis Pennell
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.)
Bell Telephone Company of Canada
Original Assignee
Bell Telephone Company of Canada
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 Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada
Application granted granted Critical
Publication of CA92862A publication Critical patent/CA92862A/en
Expired legal-status Critical Current

Links

CA000092862A 1902-05-17 1902-05-17 Apparatus for telephone trunk lines Expired CA92862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA92862T 1902-05-17

Publications (1)

Publication Number Publication Date
CA92862A true CA92862A (en) 1905-04-25

Family

ID=45209397

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000092862A Expired CA92862A (en) 1902-05-17 1902-05-17 Apparatus for telephone trunk lines

Country Status (1)

Country Link
CA (1) CA92862A (en)

Similar Documents

Publication Publication Date Title
CA92862A (en) Apparatus for telephone trunk lines
CA81771A (en) Telephonic apparatus
CA89756A (en) Apparatus for through ringing in telephone trunk lines
CA82320A (en) Signalling apparatus for telephones
CA87145A (en) Toll apparatus for telephone exchanges
CA78972A (en) Apparatus for drawing parallel lines
CA79999A (en) Telephone system
CA81928A (en) Telephone system
CA85303A (en) Telephone system
CA78917A (en) Dredging apparatus
CA83061A (en) Telephonogram apparatus
CA72974A (en) Signal for telephone trunk lines
CA72975A (en) Signal for telephone trunk lines
CA82746A (en) Selective telephone system
CA77068A (en) Telephonic transmitter
CA80605A (en) Trunk
CA81546A (en) Telegraphic apparatus
CA78192A (en) Hydraulic apparatus
CA81564A (en) Apparatus for telegraphing on telephone lines
CA83089A (en) Telephone connection
CA80345A (en) Molding apparatus
CA78255A (en) Vacuum evapourating apparatus
CA80363A (en) Rendering apparatus
CA77395A (en) Rendering apparatus
CA81124A (en) Moulding apparatus