Did pastor's old smoke detector work?

[@BAFVintage]

EDIT: The "very old first alert model" is actually a Smokey Stover smoke detector.

[@jdlproductions2746]

New (top to bottom)- First Alert SA10YR, Fire Sentry 0914, and Family Gard FG888D. Old (left to right, top to bottom)- Sears rebranded First Alert SA67RS, GE Home Sentry 8201-401C or Black & Decker SMK6D/M1, Gateway Scientific, GE Home Sentry 8201-001, 101, 201, or 301, Eveready SMD-1, and Smokey Stover 4002.

[@BAFVintage]

New side: BRK 10-year smoke alarm, Kidde smoke alarm, FamilyGard smoke alarm Old side: Sears smoke alarm, GE home sentry (newer), GE home sentry (older), Gateway Scientific smoke alarm, SmokeGard(????), very old First Alert model

[@joshuaryanferguson3702]

I replace the sensor it self every ten years instead of the alarm

[@NLind]

I made a New/Old display board like that one year for Fire Prevention Week. There's a couple of cool smoke alarms there on the "Old" side.