Heavily Modified Sterling Model M - William St and Strawn Ave. This siren is no longer in service sadly, and has some insane customizations. Submitted by Cillian S.
Federal Signal Model 2 - N Ogden St and William St. Housing only, on display inside the museum. Submitted by Cillian S.
Fedelcode Mach. 5 - Doyle Hose Co. Station 2; Griswold St and Willowlawn Pkwy. This siren is no longer in service as a fire siren, but apparently sounds off for special occasions. Submitted by Cillian S.