- Emergency exit push bar
- Siren at Warrenton Volunteer Fire Company
- Siren at Stuarts Draft Volunteer Fire Department [03]
- Siren at Stuarts Draft Volunteer Fire Department [01]
- Siren at Stuarts Draft Volunteer Fire Department [02]
- Federal Signal Model 5 siren in Lucketts, Virginia [01]
- Allertor siren in Lucketts, Virginia [02]
- Allertor siren in Lucketts, Virginia [01]
- Allertor siren in Lucketts, Virginia [03]
- Federal Signal Model 5 siren in Lucketts, Virginia [02]
- Siren at United Steam Fire Engine Company #3
- Siren at Fairfield Fire & EMS [01]
- Siren at Fairfield Fire & EMS [02]
- Sirens at Gaithersburg Fire Museum
- Flood warning system in downtown Ellicott City [02]
- Flood warning system in downtown Ellicott City [03]
- Flood warning system in downtown Ellicott City [01]
- Pilot House [01]
- Pilot House [02]
- Pilot House [03]
- Pilot House [04]
- Pilot House [05]
- Pilot House [06]
- Pilot House [07]
- Pamlico Sound from Pilot House [01]
- Pamlico Sound from Pilot House [02]
- Pamlico Sound from Pilot House [03]
- Pilot House [08]
- Pilot House [09]
- 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]
- W.S. Darley Model 2 siren at Rosewood Fire Department [03]
- Siren at El-Roy Volunteer Fire Department
- Siren at Wyse Fork Volunteer Fire Department
- Water tower with siren in Emporia, Virginia [01]
- Darley Model 5 siren in Gaston, North Carolina
- Woomy on top of a siren
- Fedelcode Model 20 in Halifax, North Carolina
- Water tower with siren in Emporia, Virginia [02]
- Water tower with siren in Emporia, Virginia [03]
- 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]
- Fedelcode Model 5 in Chambersburg, Pennsylvania
- Siren at Selma Fire Department [03]
- Siren at Selma Fire Department [04]
- Siren at Selma Fire Department [05]
- Siren at Selma Fire Department [06]
- Door release pull station at Frederick Health [02]
- Door release pull station at Frederick Health [01]
- Federal Signal Model 5 siren on the Hanover Street Bridge
- Federal Signal SD-10 at Cumberland Valley Hose Company
- Fedelcode Model 5 siren in Easton, Maryland [03]
- Fedelcode Model 5 siren in Easton, Maryland [02]
- Fedelcode Model 5 siren in Easton, Maryland [01]
- Bloomingdale Volunteer Fire Department [01]
- Bloomingdale Volunteer Fire Department [02]
- Bloomingdale Volunteer Fire Department [03]
- Bloomingdale Volunteer Fire Department [04]
- Siren selfie
- Bird sounds machine at Reston Town Center station [01]
- Bird sounds machine at Reston Town Center station [02]
- US Bank building in Sheboygan, Wisconsin
- Thunderbolt siren at North Milwaukee Avenue and Golf Road [01]
- Thunderbolt siren at North Milwaukee Avenue and Golf Road [02]
- Thunderbolt siren at North Milwaukee Avenue and Golf Road [03]