CATALOGUE OP BOOKS AND PAMPHLETS. 99 



PLATTNER, Carl Freidrich. Yorlesungen liber Allgemeine Htitten- 



kunde. 2 vols. in 1. Svo. Freiberg, 1860-1863. 



POGGENDORFF, Johann Christian. Biographisch Literarisches 



Handworterbuch zu Geschichte der Exacten Wissenschaften. 



2 vols; Svo. Leipsig, 1858-1863. 

 POGGEXDORFF'S Annalen. See under Journals. 

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



2 vols. Svo. Paris, 1833. 

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



2 vols. Svo. 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. 

 POLYTECIINISCHES Central Blatt. ) 



Journal. > See under Journals. 



Notizblatt. ) 



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



Svo. 520 pp,, II. plates. Paris, 1874. 



and Lesbros. Experiences Hyclrauliques 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'^xploitation des Mines de Houille. 



2 vols. Svo. text ; 2 vols. 4to. plates. 



Supplement to above. 



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

 PORTER, J. A. Principles of Chenjistry. 



Svo. 474 pp. New-York, 1857. 



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

 de Meteorologie. Second Edition. 4 vols. Svo. Paris, 1832. 



Same as above. Seventh edition. 



2 vols. Svo. text; Svo. 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. Svo. Brunswick, 1858. 



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



Vol.1. 8vo. 961pp. Brunswick, 1868. 



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



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

 South Carolina, and of thfe Discovery and Development of 

 the Native Bone Phosphates of the Charleston Basins. 



Svo. 28 pp. Philadelphia, 1868. 



