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field, field, field and chang: Racks of old channel modems, with test equipment in foreground
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field, field, field and chang: Detail from old channel modems
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field, field, field and chang: Detail from old channel modems
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field, field, field and chang: Detail from old channel modems
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field, field, field and chang: Racks of channel modems with test unit in foreground
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field, field, field and chang: Old test equipment
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field, field, field and chang: Manufacturer's details on old test equipment
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field, field, field and chang: Rack of old channel modems
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field, field, field and chang: Detail from rack of old channel modems
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field, field, field and chang: Detail from old channel modems
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field, field, field and chang: Detail from old channel modems
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field, field, field and chang: Detail from old channel modems
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field, field, field and chang: Appears to be an old installation record card
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field, field, field and chang: Old lockout key panel
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field, field, field and chang: Old equipment room
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field, field, field and chang: Detail from old Ericsson tape memory system
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field, field, field and chang: Reel of old magnetic tape
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field, field, field and chang: Signage in an old equipment room
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field, field, field and chang: Old siren