Thanks for the heads up on that book. I missed your original post on it several years ago. I shall investigate this one. Sounds very interesting and useful.“Finding your way without Map or Compass” by Harold Gatty
I like all things navigation. The people around here look at me and my friend all crazy. We're sitting out in the park taking sun shots with the sextant (using an artificial horizon) and plotting our location. We couldn't be farther from a ship or the ocean here in Colorado, so two old dudes with a sextant is not a sight you see too often.