CA53909A - Appareil de signal pour lignes de telephones - Google Patents

Appareil de signal pour lignes de telephones

Info

Publication number
CA53909A
CA53909A CA000053909A CA53909DA CA53909A CA 53909 A CA53909 A CA 53909A CA 000053909 A CA000053909 A CA 000053909A CA 53909D A CA53909D A CA 53909DA CA 53909 A CA53909 A CA 53909A
Authority
CA
Canada
Prior art keywords
telephone lines
signalling apparatus
signalling
telephone
lines
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
CA000053909A
Other languages
English (en)
Inventor
Frank Robert Mcberty
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 CA53909A publication Critical patent/CA53909A/fr
Expired legal-status Critical Current

Links

CA000053909A 1896-08-21 1896-08-21 Appareil de signal pour lignes de telephones Expired CA53909A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA53909T 1896-08-21

Publications (1)

Publication Number Publication Date
CA53909A true CA53909A (fr) 1896-10-28

Family

ID=45170448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000053909A Expired CA53909A (fr) 1896-08-21 1896-08-21 Appareil de signal pour lignes de telephones

Country Status (1)

Country Link
CA (1) CA53909A (fr)

Similar Documents

Publication Publication Date Title
CA53909A (fr) Appareil de signal pour lignes de telephones
CA53550A (fr) Appareil pour lignes de telephones
CA53737A (fr) Appareil de telephone
CA54132A (fr) Appareil telephonique
CA53903A (fr) Appareil d'echange de telephone
CA53357A (fr) Appareil de signal
CA53457A (fr) Appareil de signal pour echange de telephone
CA53720A (fr) Signal pour lignes de telephones
CA48374A (fr) Appareil de signal pour linge de telephone
CA74462A (fr) Appareil d'echange de telephone
CA53455A (fr) Appareil d'echange de telephone
CA53456A (fr) Appareil d'echange de telephone
CA54531A (fr) Systeme de telephone
CA84938A (fr) Signal pour commutateurs de telephones
CA54244A (fr) Appareil de signal electrique
CA53606A (fr) Appareil de clavier pour telephones
CA54239A (fr) Appareil pour haler les filets
CA54525A (fr) Appareil a jet de filets
CA53551A (fr) Systeme de fermeture pour lignes de telephones
CA53967A (fr) Appareil d'echange de telephone
CA60010A (fr) Echange de telephone
CA53908A (fr) Commutateur pour echanges de telephones
CA52828A (fr) Appareil de signal de brume
CA53672A (fr) Appareil a tracer ds lignes droites
CA52725A (fr) Appareil pour traire les vaches