From: sfjssa@nospam.com   
      
   That 10 watt bulb providing FB for the oscillator, where can I source one, I   
   am not sure what voltage it should be, any help appreciated.   
      
   Vin   
      
   "Arny Krueger"  wrote in message   
   news:pridnTrt0ZTRMhTTnZ2dnUVZ_hydnZ2d@giganews.com...   
      
      
   "Arny Krueger"  wrote in message   
   news:9PidnTjwsJutMxTTnZ2dnUVZ_s6dnZ2d@giganews.com...   
   >   
   > "Trailboss"  wrote in message   
   > news:kRJhq.1295$Br5.166@newsfe04.iad...   
   >> Looking for info on this coupling capacitor in the oscillator ckt.   
   >> Metal can Axial type   
   >> .5 µF   
   >> 900 WVDC   
   >>   
   >> Is this can an oil filled capacitor?   
   >>   
   >> Would Polypro or Polystyrene type be a suitable replacement?   
   >>   
   >> Any help appreciated.   
      
   Generally, the capacitor types you propose are superior replacements for oil   
   filled capacitors in this kind of application.   
      
   > I find no such part in the schematic in the HP 201 schematic located at   
   >   
   > http://www.hparchive.com/Manuals/HP-201C-Manual.pdf .   
   >   
   > What am I missing?   
      
   Whoops, there it is on the input to the 6AQ5 - C6.   
      
   Interesting that the online manual is missing section 6 and several   
   appendices.   
      
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