Hi,
This article is a follow-up to my previous one on Beam Engines: https://glinscott.github.io/beam-engine/. Reading about Watt’s struggles to get an accurate bore led me down a very fun rabbit hole on the history of precision in machine tools.
Article: https://glinscott.github.io/how-machines-learned-precision/

I’d again be grateful for any corrections or suggestions about parts that aren’t clear.
Thanks!
Gary