THE ULTIMATE GUIDE TO STEEL COIL

Based on historic texts, the inch was first recognized within the 7th century as a means of assessing wound depth. Its very first Formal definition dates from 1324 – 3 grains of barley, dry and round, placed finish to finish, lengthwiseBackground/origin: The term "inch" was derived within the Latin unit "uncia" which equated to "a single-twelfth"