-
View from Rhode Island Avenue station, facing south
-
Activated fire alarm pull station at MBTA Chinatown station
-
Third rail at Metro Center station
-
Bell System manhole cover in Durham, New Hampshire
-
Third rail at Fort Totten station
-
Wheelock push station
-
Fire alarm pull station at the Lincoln Memorial
-
Bell Canada manhole cover [03]
-
Bell Canada manhole cover [02]
-
Bell Canada manhole cover [04]
-
Bell Canada manhole cover [01]
-
Old and new pull stations at Target in Frederick, Maryland
-
Muddy water at West Falls Church station
-
Bell System manhole cover in Westminster, Maryland
-
Fire alarm at Angel's Food Market
-
Fire alarm pull station at Whole Foods in Glover Park [01]
-
Fire alarm pull station at Whole Foods in Glover Park [02]
-
Telephone manhole cover in downtown Staunton, Virginia
-
Fire alarm at the New York Transit Museum
-
Fire alarm pull station at the Aloft New York Brooklyn [01]
-
Fire alarm pull station at the Aloft New York Brooklyn [02]
-
Fire alarm pull station at the Aloft New York Brooklyn [03]
-
Vintage fire alarm at the Dakota