Maybe if it's rare enough might be worth searching for this guy:
http://news.cnet.com/8301-13645_3-9843011-47.html
What GMC and Narrod posted is correct, the tube is destroyed unless the glass can be remade and vacuum restored. Unless the tube is so rare it merits that I would keep it as a conversation piece or throw it away.
http://news.cnet.com/8301-13645_3-9843011-47.html
What GMC and Narrod posted is correct, the tube is destroyed unless the glass can be remade and vacuum restored. Unless the tube is so rare it merits that I would keep it as a conversation piece or throw it away.