. The American journal of science and arts. xperiment.* The ready employment of M. Dumonts filter, and the good qual-ity of the syrups obtained whether for consumption in that state orfor crystallization ; the simplicity and promptitude of the washing in-duce us to believe that his process will effect marked changes in thearts connected with the manufacture and refining of sugar. We think M. Dumont has rendered great service to the arts, andwe propose that the society thank him for calling their attention to hisprocess and congratulate him on his success. N. B. The syrups must be clarified and
. The American journal of science and arts. xperiment.* The ready employment of M. Dumonts filter, and the good qual-ity of the syrups obtained whether for consumption in that state orfor crystallization ; the simplicity and promptitude of the washing in-duce us to believe that his process will effect marked changes in thearts connected with the manufacture and refining of sugar. We think M. Dumont has rendered great service to the arts, andwe propose that the society thank him for calling their attention to hisprocess and congratulate him on his success. N. B. The syrups must be clarified and perfectly limpid beforebeing poured upon the charcoal. This condition is essential to thesuccess of the operation. * In another number of the Journal de Pharmacie is the following: the use ofthe filter and animal charcoal to which he (M. Dumont,) gives a particular prepa-ration, has already enabled several manufacturers to vend domestic sugar of supe-rior quality to any heretofore made. Olmsteds Introduction to JVatural Philosophy. 351 PF. M S. B =r^=r ^V B # n AA, wooden box lined with tinned copper. B, lower diaphragm pierced withholes and supported upon four feet; it is movable. C, space for charcoal. D, upperdiaphragm, (movable ) E, space for the colored syrup. F, wooden cover lined withcopper. G, space into which the decolorized syrup flows. H, spigot. K, openingto which the tube L is adapted, giving passage to the air. Art. XIX.—^n Introduction to JVatural Philosophy ; designed asa Text Book, for the use of the students in Yale College; byDenison Olmsted, Professor of Mathematics and Natu-ral Philosophy. In two volumes, pp. 346 and 352. New Haven:Hezekiah Howe. We have long regarded the objects of a liberal education as three-fold :—first, to develop and discipline the powers of the mind itself;secondly, to store it with useful truths; and, thirdly, to give to it thepower of communicating its ideas to others. Or, briefly, thus: it is thegreat purpose of a colleg
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