Thanks for that,. Is there a market for these things? My Mrs stubbed her toe on it yesterday and I got an earful about (in my opinion) my fantastic, ever expanding collection of oddities.

Hello all, I'm new to the site and looking for your help. I purchased this siren last week at a local auction house...it was listed as a 'metal pump' (???). Their loss, my gain! The brass plaque says that it is a Secomak' GP4. I know absolutely nothing about sirens, but it looks to be in quite good ...