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SpectrAlert fire alarm horn/strobe at Benjamin Franklin Middle School
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Metro and CSX tracks in Northeast DC
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Metro D Route pocket track [01]
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Metro D Route pocket track [02]
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CSX Capital Subdivision tracks
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Silver Spring pocket track
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Largo Town Center interlocking
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"Darth Vader" railroad signals
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Fire alarm horn/strobe at New Street parking garage [01]
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Fire alarm horn/strobe at New Street parking garage [02]
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Signal governing exit to siding in White Sulphur Springs
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Fire alarm at Best Buy in Gaithersburg, Maryland [01]
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Fire alarm at Best Buy in Gaithersburg, Maryland [02]
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Fire alarm at Trenton Park & Ride [02]
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Fire alarm at Trenton Park & Ride [01]
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Red Wheelock RSS strobe at New York Transit Museum
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Fire alarm horn/strobe at the Hampton Inn in Independence, Ohio
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Signal X-238 at East 55th Street station
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Route selector box at East 55th Street station
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Fire alarm horn/strobe at Barnes & Noble in Charlottesville, Virginia
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Sirens at Easton Volunteer Fire Department [01]
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Sirens at Easton Volunteer Fire Department [02]
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Sirens at Easton Volunteer Fire Department [03]