— trade, statistics, [225]
— waste, pulp from, [104]
—, width, [152]
Paper-mulberry fibres, [39], [46], [54]
Partington’s bisulphite process, [72]
Patterns on paper, [145], [156]
Pearl hardening, [131]
— —, estimating, [203]
Pectic acid, [28]
Pecto-cellulose, [28]