Tech PDF

BS

BS 1121-11:1967

Methods for the analysis of iron and steel. Carbon (total graphitic and combined) in iron steel and ferro chromium : Gravimentric
standard by BSI Group, 08/18/1966

BS

BS 122:1931

Milling cutters and reamers including mill machine spindle noses and arbors
standard by BSI Group, 07/12/1920