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that the average quantity of gelatine emulsion requir-ship of 7,000 tom; needs no more officers than does one ed for eoating a whole plate is a fluid drachm. 80 that of 3,500. The cost of propelling a large ship is not if four whole plates or their equivalent are stripped, double the cost of one of half the capacity at the we shall get about half an ounce of emulsion, which same speed. �Anatomy and Zoology.-Prix Bordin (not awarded); Prix Savigny. divided between Dr. Jousseaume and M. R. P.doi:10.1038/scientificamerican02281891-12642bsupp fatcat:o6rqn753xbhafb5jzt332dzaie