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Sirens at Gaithersburg Fire Museum
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Federal Signal Model 5 siren on the Hanover Street Bridge
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Fedelcode Model 5 siren in Easton, Maryland [03]
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Fedelcode Model 5 siren in Easton, Maryland [02]
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Fedelcode Model 5 siren in Easton, Maryland [01]
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Sirens at Easton Volunteer Fire Department [02]
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Sirens at Easton Volunteer Fire Department [03]