History of headphones / 1915–19201915–1920 · Radio
Baldwin’s Type C in the museum record A surviving Type C headset connects headphone history to radio communication.
Device / standard Type C headset
People Nathaniel Baldwin
Organisation Baldwin Radio Company The context Radio and communication are the contexts recorded by the museum; the maker’s personal motivation is not established here.
The documented development The Henry Ford preserves a Baldwin Radio Company headset made in Salt Lake City, dated 1915–1920.
Why it belongs in this timeline The object gives the timeline a physical reference, rather than relying on a single-inventor origin story.
What the evidence does not settle Its inscriptions cite patents dated 1910 and 1915. Those dates are distinct from the museum’s manufacture range.
No cleared reproduction; view the source collection.
Sources & provenance Primary-source confidence means the source directly documents the statement, not that every historical priority or performance claim has been independently established.
← Earlier: 1891-06-16 Later: 1958 →