Boiling adansonia fibre, [103]

— esparto, [89], [91]

— jute, [103]

— manilla hemp, [103]

— rags, [82]

— straw, [100]

Boiling-liquors, recovering soda from, [179]

Bombax heptaphyllum fibre, [39]

Books on paper-making, [229]

Bottoms, caustic, [177]