November 2015  |  Craftsman’s Cribsheet #38   These days, pyrometers are affordable, but it is the mark of a craftsman to be able to tell temperature by eye, if only to validate the instrumentation or suspect it.   VIEW/DOWNLOAD

November 2016  |  Craftsman’s Cribsheet #50   The ability of a material to deform plastically without fracturing is called ductility. In the materials usually machined in our shops, ductility is measured by determining the percent of elongation and the percent reduction of area on a specimen during a tensile test.   VIEW/DOWNLOAD