Well, thank me later. Klaxon SS6 (Yep, you read that right, the 5/6 Klaxon Siren) - Approximately 50.948692, -4.155782, long inactive, the factory it's on has been unused for 30ish years. It's in a pretty bad shape, missing some of the housing, but it exists. By searching for image "BTC8B7"...