—, character, [55]
—, cleaning machine, [90]
—, composition, [57]
— fibres, dimensions, [39]
—, general chemical characteristics, [56]
— in paper, detecting, [199], [201]
— liquor, disposal of, [98]
—, micro-chemical reaction, [56]
—, microscopic features, [56]
— paper mill, arrangement, [210]