- Federal Signal Modulator in Atlantic City [04]
- Federal Signal Modulator in Atlantic City [03]
- Federal Signal Modulator in Atlantic City [02]
- Federal Signal Modulator in Atlantic City [01]
- Siren at United Steam Fire Engine Company #3
- Federal Signal Model 5 siren in Lucketts, Virginia [02]
- Allertor siren in Lucketts, Virginia [03]
- Allertor siren in Lucketts, Virginia [01]
- Allertor siren in Lucketts, Virginia [02]
- Federal Signal Model 5 siren in Lucketts, Virginia [01]
- Siren at Stuarts Draft Volunteer Fire Department [02]
- Siren at Stuarts Draft Volunteer Fire Department [01]
- Siren at Stuarts Draft Volunteer Fire Department [03]
- Siren at Warrenton Volunteer Fire Company
- Flood warning system in downtown Ellicott City [01]
- Flood warning system in downtown Ellicott City [03]
- Flood warning system in downtown Ellicott City [02]
- Sirens at Gaithersburg Fire Museum
- Siren at Fairfield Fire & EMS [02]
- Siren at Fairfield Fire & EMS [01]
- Belfast Fire Department siren [01]
- Siren at Calypso Volunteer Fire Department [02]
- Siren at Calypso Volunteer Fire Department [01]
- W.S. Darley Model 2 siren at Rosewood Fire Department [01]
- Belfast Fire Department siren [02]
- W.S. Darley Model 2 siren at Rosewood Fire Department [02]
- Siren at Wyse Fork Volunteer Fire Department
- Siren at 1300 West Broad Street [01]
- Siren at 1300 West Broad Street [02]
- ACA P-15 siren in Mechanicsburg, Pennsylvania [01]
- ACA P-15 siren in Mechanicsburg, Pennsylvania [02]
- ACA P-15 siren in Mechanicsburg, Pennsylvania [03]
- Siren at Selma Fire Department [01]
- Siren at Selma Fire Department [02]