NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Heath Hezzanith question
From: Alexandre Eremenko
Date: 2007 Oct 23, 22:10 -0400
From: Alexandre Eremenko
Date: 2007 Oct 23, 22:10 -0400
Frank, > Is the paint slightly radioactive? Few years ago one expert on this list explained everything about luminiscent paints, but I forgot who was that. This paint is not radioactive: a radioactive paint would glow permanently, and this one glows only for about 20 minutes after an exposire to bright light. And the manual recommends to expose the sextant to light for 5 minutes before a night observation. It is like the glowing arrows on the modern watches. > Perhaps it should carry a > warning: do not > lick the sextant. May cause cancer. :-> You need a very long and thin toungue to reach it:-) Alex. --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to NavList@fer3.com To , send email to NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---
