The book is Richard Dunn & Rebekah Higgitt, Longitude: How Ships, clocks and stars helped solve the longitude problem, Collins and Royal Museums Greenwich, London 2014. It is from the people who were behind that 404ing Royal Observatory blog. At least some of that blog's posts are archived: https://web.archive.org/web/20150919110228/http://blogs.rmg....
The blog is still on the Royal Observatory site, but their site redesign makes it nearly impossible to find since they are merged with all their other blog posts and they didn't set up redirects. Here's that final post (the links to other blog posts are dead, but I've found most with a "site:" search with the post title): https://www.rmg.co.uk/discover/behind-the-scenes/blog/so-lon...
Here's another post, more about another book he recommends on the subject: https://thonyc.wordpress.com/2014/12/09/retelling-a-story-th...
The book is Richard Dunn & Rebekah Higgitt, Longitude: How Ships, clocks and stars helped solve the longitude problem, Collins and Royal Museums Greenwich, London 2014. It is from the people who were behind that 404ing Royal Observatory blog. At least some of that blog's posts are archived: https://web.archive.org/web/20150919110228/http://blogs.rmg....
The blog is still on the Royal Observatory site, but their site redesign makes it nearly impossible to find since they are merged with all their other blog posts and they didn't set up redirects. Here's that final post (the links to other blog posts are dead, but I've found most with a "site:" search with the post title): https://www.rmg.co.uk/discover/behind-the-scenes/blog/so-lon...