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- Executone Office Intercom System, circa 1960 - Office intercom systems allowed people to communicate while located in different rooms or different areas of a large building. The term itself is an amalgam of "internal communication." Intercoms can be permanently wired into a building, replacing rudimentary "speaking tubes." The most common form is a desktop "two station system," used between a supervisor and assistant in office environments.

- circa 1960
- Collections - Artifact
Executone Office Intercom System, circa 1960
Office intercom systems allowed people to communicate while located in different rooms or different areas of a large building. The term itself is an amalgam of "internal communication." Intercoms can be permanently wired into a building, replacing rudimentary "speaking tubes." The most common form is a desktop "two station system," used between a supervisor and assistant in office environments.