— pulp, [117]

— —, duration of, [119]

— wood pulp, [117]

Bed-plate of beater, [120]

Beech, composition, [61]

Bertram’s beater, [122]

— damping cylinder, [159]

— direct-driven beaters, [126]

Bertram’s rag boiler, [82]

— smoothers, [158]