Practically now all street view available sirens are documented now so I’m now taking from online sources.
(52.6605855, -3.1487521) unknown, siren was going to activate during election but was cancelled.
https://www.shropshirestar.com/news/pol ... iren-plan/
(51.0251873, -3.1373135) Gents? Siren was taken down some point after 2017 after heritage center was rebuilt
https://www.somersetheritage.org.uk/record/27022
(57.5826716, -1.8468994) klaxon, I have obtained some locations of installations by klaxon, location approximate.
https://www.klaxonsignals.com/images/Pr ... et/434.pdf
(53.6284908, -0.2018775) klaxon ES, obtained again from source and arial view
(54.0868749, -4.6301650) klaxon, obtained from website, location approximate
(51.1857795, -2.2743590) gents, used as fire alarm
https://youtu.be/8ZDpxPswYEo
(53.3382424, -2.0551582) carter? Used as fire alarm, activated on VE Day for a test.
Edit: new one I found:(51.3805078, -2.3309238) used as a “invacuation alarm” and sounds the yeow tone for a chemical release.
https://m.soundcloud.com/andrew-chinery ... tion-alarm
https://www.bath.ac.uk/guides/what-to-d ... ion-alarm/