XPost: sci.electronics.design   
   From: phil_a@tpg.com.au   
      
   "Bitrex"   
   >   
   > http://cgi.ebay.com/MATCHED-PAIR-NOS-NIB-SYLVANIA-1D21-SN4-TUB   
   S-USA-/190503003630?pt=Vintage_Electronics_R2&hash=item2c5add25ee#ht_900wt_905   
   >   
   > What exactly would one use a "matched pair" of neon discharge tubes for?   
   > And how would one match them?   
      
    ** The tubes are the same make, model, age and condition  - ie " tested   
   100% excellent".   
      
    They look the same, they are a "pigeon pair".   
      
    So they match * each other *.   
      
    Fuckwit.   
      
      
   ....  Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)