BS 1818:1961

Dimensions, types and quantities of filling materials, coverings, construction, marking. Parts 1 and 2 for hospitals and institutions, three lengths and two widths for adults, three lengths and two widths for children, to fit standard beds and cots. Parts 3, 4 and 5 for government departments; one size of coir fibre mattress, five sizes of hair mattress and one size of infants' crib mattress.