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Number Five Crossbar Switching System, Museum of Communications, Seattle, WA

750 views
1 fave
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Uploaded on August 4, 2010
Taken on August 3, 2010

Number Five Crossbar Switching System, Museum of Communications, Seattle, WA

750 views
1 fave
0 comments
Uploaded on August 4, 2010
Taken on August 3, 2010
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