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Simplex fire alarm pull station
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SimplexGrinnell van
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Sign for Hawk Security Systems
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Bell System manhole cover in Durham, New Hampshire
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Richmond skyline [04]
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Richmond skyline [01]
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Footbridge over the Canal [03]
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Footbridge over the Canal [02]
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Simplex pull station at an apartment building
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Fire alarm strobe mounted through a glass window
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Simplex pull station in Charles Town, West Virginia
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Vintage Acme pull station [02]
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Vintage Acme pull station [01]
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Simplex pull station at Martinsburg train station
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Fire alarm at Montgomery College [02]
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Fire alarm at Montgomery College [03]
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Fire alarm at Montgomery College [01]
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Fire alarm at Montgomery College [04]
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Fire alarm pull station at Citizens Building [03]
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Fire alarm pull station at Citizens Building [01]
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Fire alarm pull station at Citizens Building [02]
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Fire alarm bell and strobe at Geisinger Community Medical Center
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Fire alarm chime and strobe at Geisinger Community Medical Center
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Fire alarm pull station at Geisinger Community Medical Center [01]
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Fire alarm pull station at Geisinger Community Medical Center [02]
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Fire alarm pull station at Hudson's Bay Queen Street [01]
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Bell Canada manhole cover [03]
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Bell Canada manhole cover [02]
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Bell Canada manhole cover [04]
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Bell Canada manhole cover [01]
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Simplex fire alarm bell
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Simplex pull station at 223 Walnut Street [01]
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Simplex pull station at 223 Walnut Street [06]
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Simplex pull station at 223 Walnut Street [03]
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Simplex pull station at 223 Walnut Street [04]
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Taxi bell and strobe
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Simplex pull station at 223 Walnut Street [05]
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Simplex pull station at 223 Walnut Street [02]
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Siren at Jefferson Volunteer Fire Company [01]
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Siren at Jefferson Volunteer Fire Company [02]
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Siren at Myersville fire department
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Federal Signal Model 2 siren at Verona Fire Department [03]
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Federal Signal Model 2 siren at Verona Fire Department [02]
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Federal Signal Model 2 siren at Verona Fire Department [01]
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Fire alarm pull station at Acme in Newark, Delaware
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Fire alarm pull station at 2 Pidgeon Hill Drive [01]
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Fire alarm pull station at 2 Pidgeon Hill Drive [02]
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Siren at Warrenton Volunteer Fire Company
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Siren at Stuarts Draft Volunteer Fire Department [03]
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Siren at Stuarts Draft Volunteer Fire Department [01]
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Siren at Stuarts Draft Volunteer Fire Department [02]
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Federal Signal Model 5 siren in Lucketts, Virginia [01]
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Allertor siren in Lucketts, Virginia [02]
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Allertor siren in Lucketts, Virginia [01]
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Allertor siren in Lucketts, Virginia [03]
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Federal Signal Model 5 siren in Lucketts, Virginia [02]
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Siren at United Steam Fire Engine Company #3
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Siren at Fairfield Fire & EMS [01]
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Siren at Fairfield Fire & EMS [02]
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Sirens at Gaithersburg Fire Museum
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Bell System manhole cover in Westminster, Maryland
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Fire alarm pull station at Hampton Inn Goldsboro [01]
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Fire alarm pull station at Hampton Inn Goldsboro [02]
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Belfast Fire Department siren [01]
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Fire alarm pull station at Hampton Inn Goldsboro [03]
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Fire alarm pull station at Hampton Inn Goldsboro [05]
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Fire alarm pull station at Hampton Inn Goldsboro [06]
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Fire alarm pull station at Hampton Inn Goldsboro [04]
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Siren at Calypso Volunteer Fire Department [02]
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Siren at Calypso Volunteer Fire Department [01]
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W.S. Darley Model 2 siren at Rosewood Fire Department [01]
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Belfast Fire Department siren [02]
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W.S. Darley Model 2 siren at Rosewood Fire Department [02]
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W.S. Darley Model 2 siren at Rosewood Fire Department [03]
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Siren at El-Roy Volunteer Fire Department
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Siren at Wyse Fork Volunteer Fire Department
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Woomy looks at a fire alarm
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Fire alarm at the Bridgepointe
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Fire alarm pull station at Hampton Inn Goldsboro [07]
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Simplex break-glass pull station at the DoubleTree in Virginia Beach [04]