—, picking, [90]

—, presse-pâte system, [96]

—, pressure for boiling, [93]

—, proportion of cellulose in, [96]

— pulp, ash, [136]

— —, dimensions of fibre, [119]

—, quantity of soda for, [92]

— section, [56]

—, soda required by, [89]

—, statistics, [221], [222]