CA325038A - Telegraph exchange system - Google Patents

Telegraph exchange system

Info

Publication number
CA325038A
CA325038A CA325038A CA325038DA CA325038A CA 325038 A CA325038 A CA 325038A CA 325038 A CA325038 A CA 325038A CA 325038D A CA325038D A CA 325038DA CA 325038 A CA325038 A CA 325038A
Authority
CA
Canada
Prior art keywords
exchange system
telegraph exchange
telegraph
exchange
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
CA325038A
Other languages
French (fr)
Inventor
Malcolm Mcwhirter Eric
George Flint James
Chapman Stanley
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA325038A publication Critical patent/CA325038A/en
Expired legal-status Critical Current

Links

CA325038A Telegraph exchange system Expired CA325038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA325038T

Publications (1)

Publication Number Publication Date
CA325038A true CA325038A (en) 1932-08-09

Family

ID=35287408

Family Applications (1)

Application Number Title Priority Date Filing Date
CA325038A Expired CA325038A (en) Telegraph exchange system

Country Status (1)

Country Link
CA (1) CA325038A (en)

Similar Documents

Publication Publication Date Title
CA325038A (en) Telegraph exchange system
CA319897A (en) Telegraph system
CA320235A (en) Telegraph system
CA321495A (en) Telegraph system
CA324832A (en) Telegraph system
CA325975A (en) Telegraph system
CA326193A (en) Printing telegraph exchange system
CA318924A (en) Telephone exchange system
CA320903A (en) Telephone exchange system
CA325839A (en) Telephone exchange system
CA325840A (en) Telephone exchange system
CA327142A (en) Telephone exchange system
CA335094A (en) Telegraph exchange system
CA316181A (en) Telegraph exchange system
CA317679A (en) Telegraph exchange system
CA324192A (en) Telegraph printing system
CA324189A (en) Telegraph selective system
CA324831A (en) Telegraph selective system
CA328523A (en) Telegraph selective system
CA349483A (en) Telegraph exchange system
CA324354A (en) Telegraph repeater system
CA339725A (en) Telegraph exchange system
CA343045A (en) Telegraph exchange system
CA344290A (en) Telegraph exchange system
CA344462A (en) Telegraph exchange system