I was going to argue with you but luckily I checked first :-) My argument was that Foundations of Mechanical Accuracy (one of the canonical works of precision

I was going to argue with you but luckily I checked first :-) My argument was that Foundations of Mechanical Accuracy (one of the canonical works of precision engineering literature) was published in the early 1900's, but no, it was actually in 1970. (https://pearl-hifi.com/06_Lit_Archive/15_Mfrs_Publications/Moore_Tools/Foundations_of_Mechanical_Accuracy.pdf https://pearl-hifi.com/06_Lit_Archive/15_Mfrs_Publications/M...) Can't believe that I was that far off! I might have been thinking of Precision Hole Location, but even that wasn't published until the 1940's.