[EAS]Screw Standardization

pjk pjk at design.eng.yale.edu
Sat Jan 19 03:16:12 EST 2002

Subject:   Screw Standardization

I had to catch your attention somehow. No, not defiance against
standards, but screw threads as a historical case study in
standardization, with the protectionism of the custom-made opposed to
the 'slippery slope' of standardization, championed by the pioneering
machinist William Sellers.


> The American machine-tool industry was to the second half of the 19th
> century what the computer and networking industry was to the second
> half of the 20th: the country's most important driver of technological
> innovation.


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