Fascinating article on building your own sextant using acrylic….
Exerpt (Click On Image To For Complete Article)
From times to times I get tired of writing abstract computer programs. This time I decided to do a more concrete project: a sextant (actually, an octant). I’m not a very experienced craftsman and don’t have a equipped shop. The design is simple and can be reproduced with hand tools. I used a small jigsaw and a belt sander. I have made no blue prints.