Getting a closer look at it, it appears to be a sign, not a Whelen. It was likely for the building it was next to before it was demolished and replaced with a new building.
Just a wolf, siren enthusiast and railfan.
Owner of the Civil Defense Sirens Wiki, the best site for accurate siren information. https://civil-defense-sirens.fandom.com ... irens_Wiki
Proud owner of an FS&S Model L and Sterling Type F!