From: phil_a@tpg.com.au   
      
   "John L Stewart"   
   >   
   > Go to this link- www.hparchive.com   
   >   
   > to see the HP 207A Wide Range Oscillator listed under the equipment   
   > heading.   
   >   
   > 20 Hz to 20 KHz in one twist of the dial. Uses a modified Wein Bridge.   
      
      
   ** How funny, one of them sold on eBay yesterday:   
      
   http://www.ebay.com/itm/HP-207A-Audio-Sweep-Oscillator-HEWLET-PA   
   KARD-UNTESTED-TEST-EQUIPMENT-/111196164864?nma=true&si=X2iwtbTba   
   mF1kymGPPHGlP7gXY%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557   
      
      
   But does it use a tuning ganger or a multi-section pot?   
      
   ( I cannot open that 12MB pdf at the moment. )   
      
      
   ....   Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)