Scientific American Supplement, No. 810, July 11, 1891 by Various
page 4 of 160 (02%)
page 4 of 160 (02%)
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X. MISCELLANEOUS.--Freezing Mixtures.--A list of useful freezing mixtures. Sun Dials.--Two interesting forms of sun dials described. --3 illustrations. The Undying Germ Plasm and the Immortal Soul.--By DR. R. VON LENDENFELD.--A curious example of modern speculative thought. XI. NAVAL ENGINEERING.-The New British Battle Ship Empress of India.--A first class battle ship recently launched at Pembroke dockyard. XII. TECHNOLOGY.--Composition of Wheat Grain and its Products in the Mill.--A scientific examination of the composition of wheat and its effect on mill products. Fast and Fugitive Dyes.--By Prof. J.J. HAMMEL.--Practical notes from the dyer's standpoint upon coloring agents. * * * * * MINE TIMBERING. |
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