— —, treating for paper, [63]
Phormium tenax fibre, [39], [44], [59]
Physical structure of fibres, [30]
Picking esparto, [90]
Pictet’s sulphurous acid process, [70]
Pigments, [141]
—, analysing, [209]
Pine, composition, [61]
—, pulp yield, [77]
Pine, white, for mechanical wood pulp, [108]