CA377442A - Selective telegraph system - Google Patents

Selective telegraph system

Info

Publication number
CA377442A
CA377442A CA377442A CA377442DA CA377442A CA 377442 A CA377442 A CA 377442A CA 377442 A CA377442 A CA 377442A CA 377442D A CA377442D A CA 377442DA CA 377442 A CA377442 A CA 377442A
Authority
CA
Canada
Prior art keywords
telegraph system
selective
selective telegraph
telegraph
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
CA377442A
Other languages
French (fr)
Inventor
S. Benjamin Abraham
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 Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA377442A publication Critical patent/CA377442A/en
Expired legal-status Critical Current

Links

CA377442A Selective telegraph system Expired CA377442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA377442T

Publications (1)

Publication Number Publication Date
CA377442A true CA377442A (en) 1938-11-01

Family

ID=35381766

Family Applications (1)

Application Number Title Priority Date Filing Date
CA377442A Expired CA377442A (en) Selective telegraph system

Country Status (1)

Country Link
CA (1) CA377442A (en)

Similar Documents

Publication Publication Date Title
CA377442A (en) Selective telegraph system
CA371019A (en) Telegraph system
CA371020A (en) Telegraph system
CA371497A (en) Telegraph system
CA378128A (en) Teletypewriter system
CA375385A (en) Telegraph repeating system
AU106508B2 (en) Telegraph systems
CA377793A (en) Multiplex telegraph system
AU35438A (en) Telegraph systems
CA371015A (en) Printing telegraph system
CA372066A (en) Printing telegraph system
CA376233A (en) Printing telegraph system
CA371525A (en) Telegraph relay
CA371639A (en) Communication system
CA372796A (en) Communication system
CA376365A (en) Telegraph signalling apparatus
CA384637A (en) Multiplex telegraph system
AU109456B2 (en) Improved impulse-repeating system for use on selective party lines
CA373655A (en) Telemotor system
CA374719A (en) Wave-signal-collecting system
CA376997A (en) Signal-selecting system
CA371179A (en) Signalling system
CA371180A (en) Signalling system
CA371517A (en) Signalling system
CA371648A (en) Signalling system