IN THIS CHAPTER
Recognizing the importance of metrology
Grappling with terminology
Going international with ISO
Filling your toolbox
Gaging up and “mic’ing” out
Measuring with machines
Measure what is measurable, and make measurable what is not so.
— GALILEO GALILEI
Galileo Galilei was born in 1564, long before the invention of punch presses and laser cutters. His recommendation about making things measurable referred more to things like astronomy and physics than it did to manufacturing, although the first knitting machine was invented when Galilei was in his mid-twenties, and he surely read books printed on printing presses, which by his time were old news. Whatever he was measuring, that old Italian’s words ring as true today as they did in the seventeenth century.
The science of measuring is called metrology. Its roots lie in the Greek word metron, ...