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Akira.Tagawa_JPN)

vacuum tubes

National museum of nature and science, UENO Japan.

3,847 views
17 faves
3 comments
Uploaded on October 7, 2013
Taken on April 14, 2013

vacuum tubes

National museum of nature and science, UENO Japan.

3,847 views
17 faves
3 comments
Uploaded on October 7, 2013
Taken on April 14, 2013
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