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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Bubble horizon/dessicant
From: Robert Eno
Date: 2002 Dec 19, 00:47 -0500
From: Robert Eno
Date: 2002 Dec 19, 00:47 -0500
Congratulations on the arrival of your new baby ;-) Glad to see that it is healthy and robust! Robert ----- Original Message ----- From: Brian WhatcottTo: Sent: Wednesday, December 18, 2002 5:36 PM Subject: Re: Bubble horizon/dessicant > 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! >