NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Bris does not work
From: Andrés Ruiz
Date: 2012 Jul 26, 19:39 +0200
high school) I cannot imagine how a dark glass could increase its darkness
with age:-)
From: Andrés Ruiz
Date: 2012 Jul 26, 19:39 +0200
Alex:
But with all my physics background (limited to what I was taught inhigh school) I cannot imagine how a dark glass could increase its darkness
with age:-)
I do not know what kind of filter has the original Bris sextant, but some that has salts or nitrates with the time comes more oxidized.