Linum usitatissimum fibre, [39], [44], [46]
Literature, [229]
Loading, estimating, [134]
— materials, analysing, [209]
— paper, [130]
— with agalite, [133]
— with china clay, [131]
— with lime sulphate, [131]
— with magnesium silicate, [134]
— with pearl-hardening, [131]