First of all this is not my siren , but this is one that is privately owned by a guy on YouTube, Does anybody know if Klaxon ever had a factory in London?
I’ll attach a photo of the model plate And link to potentially all the only examples of it
https://youtu.be/F8ZomBysu20 The source of the Photo is in the comments posted by the original poster of the video
https://youtu.be/Y7bRB-zTq5g Here is the other surviving example,
And this one might be potentially the only three-phase model that exist
https://youtu.be/BzWtmFnOGoY https://youtu.be/etPrj5KE4IU