CA53455A - Apparatus for telephone switch boards - Google Patents

Apparatus for telephone switch boards

Info

Publication number
CA53455A
CA53455A CA000053455A CA53455DA CA53455A CA 53455 A CA53455 A CA 53455A CA 000053455 A CA000053455 A CA 000053455A CA 53455D A CA53455D A CA 53455DA CA 53455 A CA53455 A CA 53455A
Authority
CA
Canada
Prior art keywords
telephone switch
switch boards
boards
telephone
switch
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
CA000053455A
Other languages
French (fr)
Inventor
Charles Ezra Scribner
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 CA53455A publication Critical patent/CA53455A/en
Expired legal-status Critical Current

Links

CA000053455A 1896-04-08 1896-04-08 Apparatus for telephone switch boards Expired CA53455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA53455T 1896-04-08

Publications (1)

Publication Number Publication Date
CA53455A true CA53455A (en) 1896-09-11

Family

ID=45169994

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000053455A Expired CA53455A (en) 1896-04-08 1896-04-08 Apparatus for telephone switch boards

Country Status (1)

Country Link
CA (1) CA53455A (en)

Similar Documents

Publication Publication Date Title
CA53456A (en) Apparatus for telephone switch boards
CA53455A (en) Apparatus for telephone switch boards
CA53457A (en) Signalling apparatus for telephone switch boards
CA53903A (en) Apparatus for telephone switchboards
CA53737A (en) Telephone apparatus
CA54132A (en) Telephone apparatus
CA53606A (en) Keyboard apparatus for telephone switchboards
CA53550A (en) Apparatus for telephone lines
CA53908A (en) Switching apparatus for telephone exchanges
CA54012A (en) Electrical apparatus
CA54239A (en) Net-lifting apparatus
CA53552A (en) Telephone circuit
CA53722A (en) Telephone circuit
CA53904A (en) Telephone circuit
CA55214A (en) Telephone circuit
CA84938A (en) Signal for telephone switchboards
CA54244A (en) Electric signalling apparatus
CA53357A (en) Signalling apparatus
CA58009A (en) Keyboard apparatus
CA53967A (en) Telephone switchboard
CA60010A (en) Telephone switchboard
CA53174A (en) Game apparatus
CA59455A (en) Telephone switch board
CA54525A (en) Apparatus for casting fish-nets
CA53842A (en) Electrolytic apparatus