How did they made these ...in XVI century?

[DIYSwede]

Can't resist putting up a reminder of the eminent literary link in this post:

World's Oldest Micrometer - 1776! Who made this thing??

"Tools for the job. A short history of machine tools" by L.T.C. Rolt
1st pub: Charles Churchill & Co, 1965

Chapter index:

[Claudio HG]

Thanks for the link DIYSwede.