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Capitol Heights station entrance pylon
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SimplexGrinnell van
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Cheverly station [03]
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Court House station [02]
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Court House station entrance pylon
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Orange Line train at New Carrollton
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New Carrollton station [04]
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Orange Line going over a hill
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Payphones at Landover station
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Orange Line train arriving at Cheverly [02]
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Inbound platform at Cheverly station
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Platform edge tiles at Cheverly
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Eight-car mark at West Falls Church station
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Platform pylon at Dunn Loring station [04]
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Platform pylon at Dunn Loring station [03]
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MBTA State station
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Red Line platforms at Park Street station
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Security camera at Quincy Adams station
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MBTA Chinatown station
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Activated fire alarm pull station at MBTA Chinatown station
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Stair to Red Line at Park Street station
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Interior of Washington Metro car 4090
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Water tower in Northbrook, Illinois
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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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Fire alarms at Dick's Sporting Goods
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SpectrAlert Advance horn/strobe at Big Lots
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Fire alarm pull station at Wawa in Glen Burnie
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ADT pull station at White Marsh Mall
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Simplex TrueAlert at Mars Supermarket
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Simplex pull station in Charles Town, West Virginia
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Fire alarm speaker at Maryland House
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Old and new fire alarms [02]
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Mirtone fire alarm pull station
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Edwards fire alarm pull station [01]
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Old and new fire alarms [01]
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Old and new pull stations
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Old and new fire alarms [03]
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Edwards fire alarm pull station [02]
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Old and new fire alarms [04]
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Wheelock Exceder at The Flats at Shady Grove
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Simplex pull station at Martinsburg train station
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Railroad crossing signal at Route 608 [02]
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Railroad crossing signal at Route 608 [03]
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Railroad crossing signal at Route 608 [01]
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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 horn/strobe at Citizens Building
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Fire alarm in Armstrong Hall [02]
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Fire alarm in Armstrong Hall [01]
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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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Decommissioned Gamewell fire alarm box [01]
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Decommissioned Gamewell fire alarm box [02]
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Fire-Lite BG-10 at Target in Frederick [01]
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Fire-Lite BG-10 at Target in Frederick [02]
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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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AT&T Long Lines tower in Glen Allen, Virginia [01]
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AT&T Long Lines tower in Glen Allen, Virginia [04]
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AT&T Long Lines tower in Glen Allen, Virginia [03]
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AT&T Long Lines tower in Glen Allen, Virginia [02]
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AT&T Long Lines tower near Williamsburg, Virginia [08]
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AT&T Long Lines tower near Williamsburg, Virginia [07]
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AT&T Long Lines tower near Williamsburg, Virginia [06]
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AT&T Long Lines tower near Williamsburg, Virginia [05]
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AT&T Long Lines tower near Williamsburg, Virginia [04]
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AT&T Long Lines tower near Williamsburg, Virginia [03]
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AT&T Long Lines tower near Williamsburg, Virginia [02]
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Simplex pull station at 223 Walnut Street [05]
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Simplex pull station at 223 Walnut Street [02]