Well I’ve seen Model As upside down a few times. It is just a smaller Omni directional siren (kind of omni), so it could work with like Model 2/3/5/7s, T22 sirens, Sentries, STHs and STLs. I don’t think a thunder beam would work since it’s a pulley system.
I once saw a 3T22 box (removed and replaced with a beautiful red STH-10) that remained even though the 3T22 was gone and it had the “FS&S” original logo and the Civil Defense sticker with the “this is a unit of your civil defense” on the side. It was extremely faded though and I could barley rea...
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This is sort of a last minute post Does anyone know what frequency activates the old 1000T in Bloomington (the one behind Lunds and Byerlys)? There’s the modern encoded Civil Defense frequency (155.055), Hennepin Fire Pager (154.385) and the Bloomington Fire Pager that I’m not sure is active or not ...
Here's another image of the Ferry Building Heath siren from the San Francisco Library Archive:
“Wow! Hearing damage! Cool right?”
The air pressure alone near the siren would cause damage. Plugging your ears like that might help, but it won’t do too much