-
Railroad signal at Patapsco Valley State Park [01]
![Railroad signal at Patapsco Valley State Park [01]](../../../../i/upload/2024/07/18/20240718213526-eaf789a7-cu_s9999x250.jpg "Railroad signal at Patapsco Valley State Park [01] (6269 visits) Modern Industries railroad signal and crossbuck on Gun Road, at one of the exits for Patapsco Valley...")
-
Railroad signal at Patapsco Valley State Park [02]
![Railroad signal at Patapsco Valley State Park [02]](../../../../i/upload/2024/07/18/20240718213530-75fc4d73-cu_s9999x250.jpg "Railroad signal at Patapsco Valley State Park [02] (3885 visits) Modern Industries railroad signal and crossbuck on Gun Road, at one of the exits for Patapsco Valley...")
-
Piney Point Lighthouse bell
-
Fire alarm bell and light at Johns Hopkins Hospital [02]
![Fire alarm bell and light at Johns Hopkins Hospital [02]](../../../../i/upload/2024/07/19/20240719003941-a582de3f-cu_s9999x250.jpg "Fire alarm bell and light at Johns Hopkins Hospital [02] (1769 visits) Faraday fire alarm bell with Space Age fire alarm light at Johns Hopkins Hospital in Baltimore, Mary...")
-
Fire alarm bell and light at Johns Hopkins Hospital [01]
![Fire alarm bell and light at Johns Hopkins Hospital [01]](../../../../i/upload/2024/07/19/20240719003947-952a3d5c-cu_s9999x250.jpg "Fire alarm bell and light at Johns Hopkins Hospital [01] (1645 visits) Faraday fire alarm bell with Space Age fire alarm light at Johns Hopkins Hospital in Baltimore, Mary...")