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Simplex (SigCom) pull station
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SpectrAlert Advance horn/strobe [01]
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SpectrAlert Advance horn/strobe [02]
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Wilkes Street Tunnel [11]
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Wilkes Street Tunnel [15]
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Wilkes Street Tunnel [13]
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Wilkes Street Tunnel [14]
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Wilkes Street Tunnel [12]
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Wilkes Street Tunnel [10]
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Wilkes Street Tunnel [08]
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Wilkes Street Tunnel [09]
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Concrete planters beneath the Brown Line tracks