ACA Banshee 115 - Unused due to repeated system hackings. Located on Northfield Ave near the railroad tracks. Installed in 1976. 6/16/21, copyright Christopher Aylward.
ACA Screamer S-5 - Unused due to repeated system hackings. Located at Garfield Rd and Bourne St. Installed in 1976. 6/16/21, copyright Christopher Aylward.
ACA Screamer S-10 - Unused due to repeated system hackings. Located on Ayer St near W Brink St. Installed in 1976. 6/16/21, copyright Christopher Aylward.
Whelen OA-4 - Unused due to repeated system hackings. N Eastman St & W Brainard Ave. 6/16/21, copyright Christopher Aylward.
Whelen Vortex - Unused due to repeated system hackings. Airport Rd right in between Marengo Rd & S Division St
ORIGINAL CIVIL DEFENSE SIREN:
FS&S Thunderbolt 1003 - Inactive, at the center of town at N Division St & W Diggins St. Installed in June of 1969, first official test was June 28th of the same year. 6/16/21, copyright Christopher Aylward.