STEEL PIPE FOR DUMMIES

Based on historic texts, the inch was first recognized within the 7th century as a means of examining wound depth. Its initially Formal definition dates from 1324 – 3 grains of barley, dry and round, positioned finish to end, lengthwiseHeritage/origin: The time period "inch" was derived in the Latin device "uncia" which equated to "a person-twelf