Historic WW Design Standards Sept 15, 2020 12:13:53 GMT 12 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by simon on Sept 15, 2020 12:13:53 GMT 12 Does anyone know what WW design standard was in place in 1974 in NZ?I can only find a reference to NZS 4610:1982, was there anything preceeding this?