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    Re: Bubble horizon/dessicant
    From: Brian Whatcott
    Date: 2002 Dec 18, 16:36 -0600

    At 03:20 PM 12/18/02, Paul Hirose, you wrote:
    
    > >... the Kollsman is fitted with a
    > > removable cylinder which contains a desiccant to keep the pellicle dry and
    > > taut. Every once in a while, you must remove this cylinder, dry out the
    > > desiccant and replace it. ...
    
    >  My Kollsman arrived
    >this morning. Looks like it's in excellent condition. Paint is near
    >mint, image is sharp, bubble size adjustable over a wide range,
    >mechanical averager checks out fine. There are two dessicators. One is
    >a tiny capsule visible through the window at the top of the optical
    >tube. The other is in the sextant body. They're both turning pink...
    
    For what it's worth department:
    
    These days, the fancy gelatine capsules with calcium channel blockers,
    beta blockers or whatever blood pressure control nostrums come in a
    plastic jar carrying a little plastic dessicant capsule.
    
    (Which reminds me: NPR carries news of comparitive surveys showing
      a diuretic at 10 cents a pop works better than these $3 a pill affairs:
    a fact fit to put the drug companies' PR reps' blood pressure through
      the roof!)
    
      I would get me to the friendly local pharmaceutical dispenser, and
    sweet talk her,  if I were in need of dessicant...
    
    Brian Whatcott
       Altus OK                      Eureka!
    
    
    

       
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