—, removing bleaching liquor from, by antichlor, [127]

—, washing out bleaching liquor from, [127]

Hand-made paper, [144]

Hartig-Reusch paper-testing machine, [194]

Hemp, [39], [46], [49]

—, characters, [49]

—, composition, [50]

— fibres, dimensions, [39]

—, forms in which employed, [50]

—, general chemical characteristic, [50]