Ingraham Fireball Radium alarm clock

Most people know that radium is dangerous stuff. Many dial painters developed cancer from handling it.
Before they learned that it could be harmful, some even applied it to their teeth for a glow-in-the dark smile.
This clock, despite its age, still makes a very bright presence in a dark room.
I consider it to be safe because I don't spend much time near it or handle it often.