Sentence Examples with the word Rohstoffe

The following analysis of two varieties of heckled Belgian flax is by Dr Hugo Miller (Hoffmann's Berichte fiber die Entwickelung der chemischen Industrie): - According to the determinations of Julius Wiesner (Die Rohstoffe des Pflanzenreiches), the fibre ranges in length from 20 to 140 centimetres, the length of the individual cells being from 2.0 to 4.0 millimetres, and the limits of breadth between 0 012 and 0.025 mm., the average being o 016 mm.