it could be a regular Faraday 54/600 possibly used as a door signal
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That’s painted white…
Is this a early form of voice Evac?
My college’s library has these.
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This was at a Walgreens. I figured it was a good opportunity to take a picture of it because these Faraday Multitone Horn Strobes are rare.
But are they multitone? There are multiple versions, some with one tone, some with 3, and some with the U-MMT tones. I own a single tone variant which is super rare more rarer than the latter two.