Boston and Maine Railroad
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Relay racks and relays on first floor of tower "A"108 views
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Battery room, rectifiers - first floor of tower "A"112 views
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Right hand side of steel relay house over duct line111 views
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Left hand side of steel relay house over duct line112 views
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Right hand and rear view of relay house on end of station platform118 views
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Left hand side and end of relay house, station platform119 views
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Bay on first floor showing relay racks and relays - Tower "A"124 views
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Cable entrance from tower to duct line122 views
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Night birds eye view of terminal from left hand side128 views
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Night birds eye view of terminal from left hand side126 views
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Machine wiring, asbestos duct and recess in floor - Tower A, Boston136 viewsRoom to work without being cramped
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Machine in tower A with front panels removed157 views
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Walk way or gallery under machine - Tower A, Boston307 viewselectric lights and portable attachment are show, also entrance to machine floor at far end - this is also entrance to relay room at near end
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