THE DEFINITIVE GUIDE TO JUAL ROCKWOOL

Based on historic texts, the inch was first acknowledged while in the 7th century as a means of assessing wound depth. Its initial official definition dates from 1324 – three grains of barley, dry and round, put close to end, lengthwiseHistorical past/origin: The term "inch" was derived within the Latin unit "uncia" which equated to "one-twelfth"