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Standard bell at Maury Hall
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Edwards fire bell in Crystal City Underground
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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] (6203 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] (3818 visits) Modern Industries railroad signal and crossbuck on Gun Road, at one of the exits for Patapsco Valley...")
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Railroad crossing signal at Route 608 [02]
![Railroad crossing signal at Route 608 [02]](../../../i/upload/2024/07/18/20240718223805-a97ef638-cu_s9999x250.jpg "Railroad crossing signal at Route 608 [02] (2423 visits) Railroad crossing signal at the Norfolk Southern Shenandoah Valley Line's grade crossing with Route ...")
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Railroad crossing signal at Route 608 [03]
![Railroad crossing signal at Route 608 [03]](../../../i/upload/2024/07/18/20240718223809-a2b65552-cu_s9999x250.jpg "Railroad crossing signal at Route 608 [03] (2430 visits) Railroad crossing signal at the Norfolk Southern Shenandoah Valley Line's grade crossing with Route ...")
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Railroad crossing signal at Route 608 [01]
![Railroad crossing signal at Route 608 [01]](../../../i/upload/2024/07/18/20240718223850-8357ea8c-cu_s9999x250.jpg "Railroad crossing signal at Route 608 [01] (2675 visits) Railroad crossing signal at the Norfolk Southern Shenandoah Valley Line's grade crossing with Route ...")
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Wheelock fire alarm bell at 18310 Montgomery Village Avenue
![Wheelock fire alarm bell at 18310 Montgomery Village Avenue](../../../i/upload/2024/07/18/20240718223926-64ad5924-cu_s9999x250.jpg "Wheelock fire alarm bell at 18310 Montgomery Village Avenue (2047 visits) Wheelock 10" fire alarm bell on the exterior of 18310 Montgomery Village Avenue in Gaithersburg...")
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Wheelock fire alarm bell
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Bell at Gabbin Hall [01]
![Bell at Gabbin Hall [01]](../../../i/upload/2024/07/20/20240720021249-61b47c5e-cu_s9999x250.jpg "Bell at Gabbin Hall [01] (3143 visits) Standard Electric Time Company 101056 bell on the ground floor of Gabbin Hall, a building on the cam...")
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Bell at Gabbin Hall [02]
![Bell at Gabbin Hall [02]](../../../i/upload/2024/07/20/20240720021303-9d223e6c-cu_s9999x250.jpg "Bell at Gabbin Hall [02] (3184 visits) Standard Electric Time Company 101056 bell on the ground floor of Gabbin Hall, a building on the cam...")
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Bell at Gabbin Hall [03]
![Bell at Gabbin Hall [03]](../../../i/upload/2024/07/20/20240720021317-be1d4e45-cu_s9999x250.jpg "Bell at Gabbin Hall [03] (9783 visits) Standard Electric Time Company 101056 bell on the second floor of Gabbin Hall, a building on the cam...")
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Overheight warning bell on US 321
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Faraday bell at St. Veronica School
