First published as part of AS C45-1928.Second edition 1950.AS C45-1950 revised and redesignated in part as AS C388-1968.AS C388 revised and redesignated as AS 1675-1974.Second edition 1986.AS 1675-1986 revised and rdesignated as AS 60044.1-2003.Second edition 2007.Reconfirmed 2016. Originated as part of AS C45-1928. Previous edition AS 60044.1-2003. Second edition 2007.