Panel switch (Q17156811)
Jump to navigation
Jump to search
type of electromechanical telephone switching system developed by the Bell System in the 1920s
Language | Label | Description | Also known as |
---|---|---|---|
English | Panel switch |
type of electromechanical telephone switching system developed by the Bell System in the 1920s |
Statements
Identifiers
Sitelinks
Wikipedia(1 entry)
- enwiki Panel switch