CA58709A - Echange de telephone - Google Patents

Echange de telephone

Info

Publication number
CA58709A
CA58709A CA000058709A CA58709DA CA58709A CA 58709 A CA58709 A CA 58709A CA 000058709 A CA000058709 A CA 000058709A CA 58709D A CA58709D A CA 58709DA CA 58709 A CA58709 A CA 58709A
Authority
CA
Canada
Prior art keywords
telephone switchboard
switchboard
telephone
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
CA000058709A
Other languages
English (en)
Inventor
Linval W. Davis
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA58709A publication Critical patent/CA58709A/fr
Expired legal-status Critical Current

Links

CA000058709A 1897-01-07 1897-01-07 Echange de telephone Expired CA58709A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA58709T 1897-01-07

Publications (1)

Publication Number Publication Date
CA58709A true CA58709A (fr) 1898-01-15

Family

ID=45175247

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000058709A Expired CA58709A (fr) 1897-01-07 1897-01-07 Echange de telephone

Country Status (1)

Country Link
CA (1) CA58709A (fr)

Similar Documents

Publication Publication Date Title
CA58709A (fr) Echange de telephone
CA60011A (fr) Echange de telephone
CA66299A (fr) Echange de telephone
CA62377A (fr) Telephone
CA59926A (fr) Circuit de telephone
CA59894A (fr) Signal pour echanges de telephones
CA60432A (fr) Annunciateur pour lignes de telephones
CA55647A (fr) Pupitre de telephone
CA53967A (fr) Appareil d'echange de telephone
CA60010A (fr) Echange de telephone
CA74241A (fr) Signal de telephone
CA72112A (fr) Commutateur de telephone
CA81668A (fr) Commutateur de telephone
CA74719A (fr) Signal pour echange de telephone
CA59505A (fr) Aiguillere pour telegraphes
CA59455A (fr) Appareil d'echange de telephone
CA65320A (fr) Commutateur de telephones
CA69773A (fr) Echange de telephone
CA58010A (fr) Circuit pour annonciateurs de lignes de telephones
CA53905A (fr) Echange de telephone
CA58533A (fr) Relai a detente pour commutateurs de telephones
CA68197A (fr) Appareil de change de telephone
CA71309A (fr) Appareil d'exchange de telephones
CA63080A (fr) Microphone
CA59127A (fr) Machine a maculer les timbres-poste