Cross References: BS 350 BS 1981 A 100 2A 173 S 102 S 105 S 147 S 148 S 149
Partially replaced by BS A 273:1978.
Incorporates the following: AMD 2124 published 29 October 1976 PD 4653 published 11 October 1962 PD 5313 published 12 August 1964 PD 6163 published 15 May 1967