Is there a "Moore's Law" of length-determining apparatuses? Viz., has the precision of state-of-the-art length measurement apparatuses doubled periodically throughout history?
gives an idea of how precise semiconductor manufacturing has become.
James A. Barnes, “Basic Concepts of Precise Time and Frequency,” Time and Frequency: Theory and Fundamentals 140 (1974): 1–14
cited on p. 2-4 of Malcolm Cooper and Jim Grozier, eds., Precise Dimensions: A History of Units from 1791-2018, IOP Expanding Physics (A History of Units from 1791 to 2018, Bristol, UK: IOP Publishing, 2017)
gives the evolution of time-measurement throughout history: