Here’s an oddball I recovered from my aunt’s former rental home, while she was moving out. For the 10+ years she lived there, I was suspicious as to what it initially was. Only until she moved out, I realized it was indeed a vintage smoke detector. At first, I thought it would have been a hardwired detector, but after removing it from where it was previously mounted, I was surprised that it was a battery operated model.
What’s really odd is the Sears sticker complete with a model, but one guy on Instagram pointed out it’s an ESL, possibly missing its front cover too.
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That looks awfully similar to the 1970s NuTone/Scovill alarms with the covers twisted off. Also, I subbed to your channel a while ago. You have some cool things on there!