Just the basics, dead reckoning, compasses, lunars, development of chronometers and so forth but explained in a concise and simple manner.
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There was one point made in that post I don’t recall seeing said as explicitly and plainly as in this post.
This of course:
With the sextant, the method of lunars, and the marine chronometer, the art of navigation was perfected. It was now possible to arrive at a destination precisely and efficiently.
But beyond that those tools; sextant, lunars, and chronometer enabled the improvement of nautical charts.
Armed with these new tools and techniques, seafaring nations in the 1700s and 1800s sent out explorers to complete the discovery of the world that had begun in the 1400s. These bold adventurers, such as the famous Captain James Cook, mapped coastlines and discovered islands, including Hawaii. They charted natural harbors and found new passages. They braved shoals and reefs, such as the Great Barrier Reef off the coast of Australia, and marked these hazards for future captains to avoid.
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