A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Bill Morris
Date: 2015 Oct 4, 21:51 -0700
Perhaps the dessicant is more to do with preserving the pellicle from moisture. Initially pellicles were made of a film of flexible collodion. When I bought my MA1 the pellicle had perished. I replaed it with a microscope cover slip and got two reference lines instead of one, but the two lines seem to make centring easier. Of course, I could have used clingwrap/gladwrap, but didn't think of it.