CATALOGUE OF BOOKS AND PAMPHLETS. 131 



WEIXGEIIEIMNISSE. 8vo. 48 pp. Nuremburg, 1858. 



WELTSTGEHEIMXISSE. Zusammenstellung alle bisher oft sehr geheim 



gehalt^ner Mittel zurnattirlichen und ktinstlichen Weinbereit- 



ung jeder Gattung. 12mo. 123pp. Nuremburg, 1858. 



WEISBACH, Albin. Tabellen zur Bestimmung der Mineralien. 



12mo. 113 pp. Leipsig, 1869. 

 Julius. A Manual of the Mechanics of Engineering. 



Translated from the Fourth German Edition by Eckley B. 



Coxe. Vol. I. Theoretical Mechanics. 



8vo. 1112pp. New-York, 1872. 



Die Experimental-Hydraulik. 8vo. 281pp. Freiberg, 1855. 



Lehrbuch der Ingenieur-und Machinen-Mechanik. Fiinfte 



verbesserte und vervollstendigte Auflage. 



Vol. I. 8vo. 1301 pp. Brunswick, 1870-1875. 



Lehrbuch der Theoretischen Mechanik. 



3 vols. 8vo. Brunswick, 1855, 1863, 1865. 



Appendix. 8vo. 43 pp. Brunswick, I860. 



Principles of the Mechanics of Machinery and Engineering. 



2 vols. 8vo. London, 1847, 1848. 



WELLS. Principles and Applications of Chemistry. Sixth edition. 



8vo. 515 pp. New-York, 1863. 



David A. Reports of the Special Commissioner of Revenue. 



2 vols. 8vo. Washington, 1866, 1867. 

 WELTAUSSTELLUNG zu Wien, 1873. See Wiener Weltausstellung, 



1873. 

 WENIGER, K. A. Der Praktische Schmelzmeister. 



Svo. 138 pp. Prag, 1864. 



WBENKR, A. G. A Treatise on the External Character of Fossils. 

 Translated by Thomas Weaver. 



12mo. 312 pp. Dublin, 1805. 



Gotthilf. Leitfaden zum studium der Krystallographie. 



12mo. 145 pp. Hanover, 1867. 



WEST, Gratien. Statistique des Volumes des Equivalents Chimiques 

 et d'autres donnes relatives a leurs proprietes physiques 

 suivie d'un Memoire sur quelques questions moleculaires. 



4to. 304pp. Paris, 1875. 



WESTENDORF, Karl. Die Bestimmung ftir Annahme eine Normal- 



musse und eine Normalstanteche. 4to. Vienna, 1873. 



WETHERILL, C. M. A Brief Sketch of the Modern Theory of 



Chemical Types. Vol. XXL, Pamphlets. Octavo series. SVO. 15pp. 



Chemical Examination of Two Minerals from the Neighbor- 

 hood of Reading, Pennsylvania; and On the Occurrence of 



Gold in Pennsylvania. Vol. IX., Pamphlets. Quarto series. 



4to. 7 pp. Philadelphia. 



Chemical Notices On the Occurrence of Gold near Read- 

 ing ; and, Apparatus for the Analysis of Carbonates. 



Vol. XXVIII., Pamphlets. Octavo series. SVO. 4pp. 1854. 



Examination of Fusil-Oil from Indian Corn and Rye. 



Vol. XVI., Pamphlets. Octavo series. 8vo. 7pp. 



Experiments on Itacolumite, (Articulite.) Vol. xn.. Pamphlets. 



Octavo series. 8vO. 7pp. 1867. 



