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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] (6141 visits) Modern Industries railroad signal and crossbuck on Gun Road, at one of the exits for Patapsco Valley...")
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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] (3761 visits) Modern Industries railroad signal and crossbuck on Gun Road, at one of the exits for Patapsco Valley...")
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Halethorpe MARC station [01]
![Halethorpe MARC station [01]](../../../i/upload/2024/07/18/20240718213543-f424dc01-cu_s9999x250.jpg "Halethorpe MARC station [01] (1672 visits) Halethorpe, a station on the MARC Penn Line in Baltimore County, Maryland.
Ben Schumin is a profess...")
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Halethorpe MARC station [02]
![Halethorpe MARC station [02]](../../../i/upload/2024/07/18/20240718213546-29a94f5b-cu_s9999x250.jpg "Halethorpe MARC station [02] (1702 visits) Halethorpe, a station on the MARC Penn Line in Baltimore County, Maryland.
Ben Schumin is a profess...")
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HAWK beacon at 16th and Jonquil Streets NW [01]
![HAWK beacon at 16th and Jonquil Streets NW [01]](../../../i/upload/2024/07/18/20240718213612-9bd5f770-cu_s9999x250.jpg "HAWK beacon at 16th and Jonquil Streets NW [01] (1894 visits) HAWK beacon at the intersection of 16th and Jonquil Streets NW in Washington, DC. This HAWK beacon ...")
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HAWK beacon at 16th and Jonquil Streets NW [02]
![HAWK beacon at 16th and Jonquil Streets NW [02]](../../../i/upload/2024/07/18/20240718213616-8216b42d-cu_s9999x250.jpg "HAWK beacon at 16th and Jonquil Streets NW [02] (2043 visits) HAWK beacon at the intersection of 16th and Jonquil Streets NW in Washington, DC. This HAWK beacon ...")
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Edwards chime
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Traffic light in Bala Cynwyd
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Pedestrian signal call button
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Ellenco 350 fire alarm horn [02]
![Ellenco 350 fire alarm horn [02]](../../../i/upload/2024/07/18/20240718221237-802f4c37-cu_s9999x250.jpg "Ellenco 350 fire alarm horn [02] (2130 visits) Ellenco 350 fire alarm horn, i.e. a rebranded Federal Signal vibratone horn, in an office building i...")
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Ellenco 350 fire alarm horn [01]
![Ellenco 350 fire alarm horn [01]](../../../i/upload/2024/07/18/20240718221240-0bd24ac9-cu_s9999x250.jpg "Ellenco 350 fire alarm horn [01] (2467 visits) Ellenco 350 fire alarm horn, i.e. a rebranded Federal Signal vibratone horn, in an office building i...")