CATALOGUE OF BOOKS AND PAMPHLETS. 99 



PLATTNER, Carl Freidrich. Vorlesungen tiber Allgemeine Hiitten- 



kunde. 2 vols. in 1. 8vo. Freiberg, 1860-1863. 



POGGENDORFF, Johann Christian. Biographisch &quot;Literarisches 



Handworterbuch zu Geschichte der Exacten Wissenschaften. 



2 vols. 8vo. Leipsig, 1858-1863. 

 POGGEXDORFF S Annalen. See under Journals. 

 POISSON, S. D. Traite de Mecanique. Second edition. 



2 vols. 8vo. Paris, 1833. 

 POLAIN, L. L Histoire de L Ancien Pays de Liege. 



2 vols. 8vo. Liege, 1844. 



Recits Historiques sur L Ancien Pays de Liege. 



12mo. 461 pp. .Brussels, 1866. 

 POLE, W. A Treatise on the Cornish Pumping Engine. 



4to. 236 pp. London, 1844. 



POLYTECHNIC College of Pennsylvania. A Statement of the Objects, 

 Course of Instruction, &c., of the School of Mines, organized 

 and opened in Philadelphia, under an Act of the Legislature 

 incorporating the Polytechnic College of the State of Penn 

 sylvania. Vol. XIX., Pamphlets. Octavo series. 



8vo. 4pp. Philadelphia, 1853. 

 POLYTECHNISCHES Central Blatt. ) 

 Journal. v See under Journals. 



Notizblatt. ) 



PONCELET, J. V. Cours de Mecanique Appliquee aux Machines. 



8vo. 520 pp., II. plates. Paris, 1874. 



and Lesbros. Experiences Hydrauliques sur les Lois de 



L Ecoulement de L Eau. 



4to. 262 pp., VIII. plates. Paris, 1832. 

 PONSON, A. T. Handbuch des Steinkohlen-Bergbaues. 



2 vols. 4to. Weimar, 1855. 



Traite de L Exploitation des Mines de Houille. 



2 vols. 8vo. text ; 2 vols. 4to. plates. 



Supplement to above. 



2 vols. 8vo. text; 2 vols. 4to. plates. Paris, 1867, 1868. 

 PORTER, J. A. Principles of Chemistry. 



8vo. 474 pp. New-York, 1857. 



POUILLET, Claude S. M. Elemens de Physique Experimentale et 

 de Meteorologie. Second Edition. 4 vols. 8vo. Paris, 1832. 



Same as above. Seventh edition. 



2 vols. 8vo. text; 8vo. LXIX. plates. Paris, 1856. 



Lehrbuch der Physik und Meteorologie. Fourth edition, 



edited by Dr. J. Muller. 2 vols. 8vo. Brunswick, 1852. 



Same as above. Fifth edition. 



2 vols. 8vo. Brunswick, 1858. 



Same as above. Seventh edition, edited by Dr. J. Muller. 



Vol. I. 8vo. 961pp. Brunswick, 1868. 



POWELL, B. A Treatise on Optics. 8vo. 183 pp. Oxford, 1833. 



PRATT, N. A. Ashley River Phosphates. History of the Marls of 



South Carolina, and of tlfe Discovery and Development of 



the Native Bone Phosphates of the Charleston Basins. 



8vo. 28 pp. Philadelphia, 1868. 



