FLANGE ORIFICE SECRETS

In line with historic texts, the inch was first recognized inside the 7th century as a way of evaluating wound depth. Its first Formal definition dates from 1324 – a few grains of barley, dry and round, placed finish to end, lengthwiseRecord/origin: The term "inch" was derived in the Latin device "uncia" which equated to "one-twelfth" of the Roma