A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Ed Popko
Date: 2021 Mar 13, 13:23 -0800
A detail I learned from the paper, that seems obvious after it's pointed out, is that some planet period relations were very large large. Venus for example, turned out to be a large prime number requiring an impossible-to-make gear with 1151 teeth.
Never thought about primes and gear teeth.