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Re: If looking for a Bubble Sextant...
From: Chris Caswell
Date: 2019 Dec 24, 04:11 -0800

Hi All,

As a collector/rrestorer/user of bubble sextants I have found most Bendix units used a luminescent paint containing radium 226 and they are still very hot. The paint is no longer functioning but thr radium is. ( I believe the half life is around 1600 years.)

I have eight Bendix bubble sextants and one rebuilt Civil Defense era "geiger counter"

Chris in VT

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