Reconfirmed 1982 First published as part of AS C34-1927.Second edition 1932.AS C35 first published 1927.Second edition 1932.AS C36 first published 1927.Second edition 1932.AS C38 first published 1927.Second edition 1932.Third edition AS C34-1943.AS C34-1943, AS C35-1932, AS C36-1932 and AS C38-1932 revised, amalgamated and redesignated AS C319-1956 (endorsement of BS 2613:1955 with amendment).Second edition 1958 (endorsement of BS 2613:1957 without amendment).AS C319-1958 revised and redesignated in part as AS 1359.21-1974. First published as part of AS C34-1927. Second edition 1932. AS C35 first published 1927. Second edition 1932. AS C36 first published 1927. Second edition 1932. AS C38 first published 1927. Second edition 1932. Third edition AS C34-1943. AS C34-1943, AS C35-1932, AS C36-1932 and AS C38-1932 revised, amalgamated and redesignated AS C319-1956 (endorsement of BS 2613:1955 with amendment). Second edition 1958 (endorsement of BS 2613:1957 without amendment). AS C319-1958 revised and redesignated in part as AS 1359.21-1974.