https://photos.app.goo.gl/XGD2MiFyYfsXdpSq5
https://photos.app.goo.gl/HFgi3XbVmbUzhjNv7
These are a Darley and Bullard siren combo located on 6th Ave and 28th street in Tucson AZ.
I know nothing about them, does anyone know anything about these, Why there here, etc?
The google maps location is in my siren map, located in my signature.