Stromberg-Carlson Bulletin No. 14 Private Branch Telephone Exchanges 1905
This ebook may not meet accessibility standards and may not be fully compatible with assistive technologies.
This document contains information regarding Stromberg-Carlson Private Branch Telephone Exchanges from the early 1900’s. Topics include Private Branch Equipment, including Switchboards, Relays, Line Circuits, Operator equipment, Exchange Trunks, and Switchboard Cabinets.
Details
- Publication Date
- Jul 11, 2024
- Language
- English
- Category
- Reference
- Copyright
- All Rights Reserved - Standard Copyright License
- Contributors
- By (author): Joseph Uzel
Specifications
- Format