HOR Super Sirex Uploaded · August 9, 2023 If you liked this item, please rate it up on Steam Workshop page. Author: G.Curnutt Last revision: 19 Jun, 2018 at 02:39 UTC File size: 11.26 KB On Steam Workshop Description: A rotating electromechanical civil defense siren with two rotors. Production: 1940s – 1950s Download