The C scale which is used for measuring the hardness of tool steels is measured by pressing a diamond a precisely measured distance into the steel. These measurements can be understood throughout the world.
You Might Also be Interested in This Article
Wiley Miller’s sardonic humor appeal’s not only to our store, but also the memories of childhood and our children. This Non Sequitur daily comic strip was featured on August 1, 2017. NON SEQUITUR © 2013 Wiley Ink, Inc.. Dist. By ANDREWS MCMEEL SYNDICATION. Reprinted with permission. All rights reserved.