Abstract
THE first 48 pages of the fourth part of this work contain the concluding portion of the chapter on fats, and deal with (1) the occurrence, extraction, characters, and use (largely as the basis of cosmetics) of spermaceti; (2) the animal fats employed with vegetable fats in the manufacture of soap; (3) ox-gall and its uses in industry, chiefly in colour work; and (4) fossil bitumina, including asphalt and petroleum.
Die Bohstoffe des Tierreichs.
Ferdinand Pax Walther Arndt. Bd. I., Lief. 4. Pp. 161–320. 12·75 gold marks. Lief. 5. Pp. 321–448. 12 gold marks. (Berlin: Gebrüder Borntraeger, 1930.)
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Die Rohstoffe des Tierreichs . Nature 127, 436 (1931). https://doi.org/10.1038/127436a0
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DOI: https://doi.org/10.1038/127436a0