-
Students evacuating during a fire drill
-
Resetting the fire alarm system
-
Fire-Lite BG-10 at Roop Hall
-
Fire alarm at United States Botanic Garden [02]
-
Fire alarm at United States Botanic Garden [01]
-
Fire alarm at United States Botanic Garden [03]
-
Potomac Hall fire alarm control panel
-
Simplex fire alarm pull station
-
Capitol Heights station entrance pylon
-
Benning Road station entrance pylon
-
Minnesota Avenue station entrance pylon
-
Federal Center SW station entrance pylon [01]
-
July 4 banner at Federal Triangle station
-
Eastern Market station entrance pylon
-
Two strobes from different manufacturers
-
Sign on old Watha T. Daniel Library
-
SimplexGrinnell van
-
Chain marker in the snow
-
Deanwood station [03]
-
Cheverly station [03]
-
Court House station [02]
-
Court House station entrance pylon
-
Entrance to Capitol South station
-
Orange Line train at New Carrollton
-
New Carrollton station [04]
-
Orange Line going over a hill
-
Payphones at Landover station
-
Orange Line train arriving at Cheverly [02]
-
Inbound platform at Cheverly station
-
Platform edge tiles at Cheverly
-
6000-Series railcar at Deanwood
-
Platform pylon at Minnesota Avenue station [02]
-
Platform pylon at Minnesota Avenue station [01]
-
Eight-car mark at West Falls Church station
-
Platform pylon at Dunn Loring station [04]
-
Platform pylon at Dunn Loring station [03]
-
Fire alarm pull station
-
MBTA State station
-
Red Line platforms at Park Street station
-
Security camera at Quincy Adams station
-
MBTA Chinatown station
-
Activated fire alarm pull station at MBTA Chinatown station
-
Stair to Red Line at Park Street station
-
Washington Metro chain marker
-
Sign for Hawk Security Systems
-
Interior of Washington Metro car 4090
-
Water tower in Northbrook, Illinois
-
Fire alarm pull station at the Lincoln Memorial
-
Simplex pull station at an apartment building
-
Fire alarm strobe mounted through a glass window
-
Fire alarms at Dick's Sporting Goods
-
SpectrAlert Advance horn/strobe at Big Lots
-
Fire alarm pull station at Wawa in Glen Burnie
-
ADT pull station at White Marsh Mall
-
490 L'Enfant Plaza pull station
-
Simplex TrueAlert at Mars Supermarket
-
Simplex pull station in Charles Town, West Virginia
-
Fire alarm at Martin's in Waynesboro
-
Fire alarm pull station at New Street parking garage [01]
-
Fire alarm speaker at Maryland House
-
Wheelock fire alarm bell
-
Vintage Acme pull station [02]
-
Vintage Acme pull station [01]
-
Old and new fire alarms [02]
-
Mirtone fire alarm pull station
-
Edwards fire alarm pull station [01]
-
Old and new fire alarms [01]
-
Old and new pull stations
-
Old and new fire alarms [03]
-
Edwards fire alarm pull station [02]
-
Old and new fire alarms [04]
-
Wheelock Exceder at The Flats at Shady Grove
-
Simplex pull station at Martinsburg train station
-
Railroad crossing signal at Route 608 [02]
-
Railroad crossing signal at Route 608 [03]
-
Railroad crossing signal at Route 608 [01]
-
Fire alarm at Montgomery College [02]
-
Fire alarm at Montgomery College [03]
-
Fire alarm at Montgomery College [01]
-
Fire alarm at Montgomery College [04]