Browning had a CAD/CAM program in his head and hands before there were CAD/CAM programs.
RE “...had a CAD/CAM program in his head and hands...”
He was one of those Americans that was able to figure the answer to a question before the question was asked, translate it to paper, and translate it to Metal.
Amazing guy, and typical of Our people in that time. Lots of know-how, can-do, and make-it-work.