First-tier, self-reported. Apple from 2013 shown in pink and Western Electric from 1927 shown in blue.
Wonderful source. “Sampling Inspection” is a one act play about the (surprisingly dramatic) business of quality control. It was written by Bonnie Small, a statistical quality control consultant for Western Electric, and first presented in September of 1953 for the Allentown-Bethlehem Section of the American Society for Quality Control. As Small writes: The Consolidated Equipment […]