Pirsig's notion of quality led me to an essay in a magazine that I haven't found again on particularly good pieces of engineering that have that Quality Without

Pirsig's notion of quality led me to an essay in a magazine that I haven't found again on particularly good pieces of engineering that have that Quality Without A Name: the ARM CPU, the Technics SL1200, the Leica M3, the HP-12C and some others.