<https://forum.vcfed.org/index.php?threads/looking-for-any-old-vacuum-tubes.8658/>
<http://schema.org/dateModified>
"2007-12-28T04:05:18+00:00"^^<http://schema.org/Date>
<https://forum.vcfed.org/index.php?threads/looking-for-any-old-vacuum-tubes.8658/#post-150163>