A System of Mineralogy: Comprising the Most Recent Discoveries: Including Full Descriptions of Species and Their Localities, Chemical Analyses and Formulas, Tables for the Determination of Minerals, and a Treatise on Mathematical Crystallography and the Drawing of Figures of Crystals. Illustrated by Numerous Woodcuts and Four Copper Plates

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G.P. Putnam, 1850 - 711 Seiten
 

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Seite 707 - To stimulate genius in a kindred branch of art; to supply suggestions which may call off from devious paths, and indicate to the student the true line of progress; and thus to aid in abridging that season of experiment and of failure in which the glittering is preferred to the chaste, and the gaudy is mistaken for the beautiful, are objects of no light importance. In such considerations may be found the motive and the purpose of the following pages."— Extract from the Preface.
Seite 3 - To change is always seeming fickleness. But not to change with the advance of science, is worse ; it is persistence in error...
Seite 127 - The sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction.
Seite 701 - Views A-Foot; Or, Europe seen with Knapsack and Staff. BY BAYARD TAYLOR. New edition, with an additional Chapter of Practical Information for Pedestrians in Europe, and a Sketch of the Author in Pedestrian Costume, from a Drawing by T. Buchanan Read.
Seite 696 - The work of Layard is the most prominent contribution to the study of Antiquity, that has appeared for many years." — Christian Inquirer. " Not one excels in interest the account of Nineveh and its Ruins, given by Mr. Layard."— Washington Intelligencer. "As we follow the diggers with breathless interest in their excavations...
Seite 723 - Back to the season of life's happy spring, 1 pleased remember, and, while memory yet Holds fast her office here, can ne'er forget; Ingenious dreamer, in whose well-told tale Sweet fiction and sweet truth alike prevail...

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