These specifications cover :
(a) square-hole wire cloth sieves,
(b) square-hole plate screens, and
(c) round-hole plate screens.
For general precision testing in the classification of materials according to size, a method of wire cloth sieves calibration is attached as an Appendix.
PS 392-1964 history
1964PS 392-1964 Test sieves, wire cloth, sieves, round hole and square hole.