Radium Hot Springs Fire Department - Smoke detector save lives, and are relatively easy to install in your home. Adding a CO detector to your home is also a great idea. CO (
Radium 226 label on ancient smoke detector | Agent Skwerl | Flickr
Radium Containing Industrial Smoke Detector (1960s) | Museum of Radiation and Radioactivity
Pyrotronics PYR-A-LARM Industrial High Voltage Ionization Smoke Detectors : r/Radiation
Here's an ionizing smoke detector that uses a Radium-226 source for anyone looking to add Radium to their collection : r/elementcollection