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Floor tile in the MDF room.
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Circuitry on the back of old crossbar equipment in the MDF room.
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Capacitors on the back of old crossbar equipment.
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Wiring on the back of old crossbar equipment
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Wiring on the back of old crossbar equipment
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Stamp inside a sheet-metal equipment cabinet in the MDF room
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Circuit breakers
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Fuse on equipment in the MDF room
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Fuse on an old ringer assembly.
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Alarm lights
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Spare fuses
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Power connections.
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Contact panel
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Crossbar controller switches
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Crossbar controller switches, and a DC-DC converter
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Spare fuses.
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A plastic jar of what appear to be some sort of separators or insulators
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Cam on one of the ringers.
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Old tag on the blocking keys.
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Hand-painted signage on an old wooden door.
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2S1A3866