CATALOGUE OF BOOKS AND PAMPHLETS. 107 



ROBIN, Ch. Trait e du Microscope. 8vo. 1028pp. Paris, 1871. 

 ROBINSON, S. A Catalogue of American Minerals, with their Lo 

 calities. 8vo. 316 pp. Boston, 1825. 

 ROCKWELL, J. A. Report on Rail-Road and Canal Routes. 



8vo. 678 pp. Washington, 1850. 



RODMAN. T. J. Reports of Experiments on the Properties of 



Metals for Cannon, and the Qualities of Cannon Powder; 



with an Account of the Fabrication and Trial of a 15 inch 



Gun. 4to. 308 pp., XXI. plates. Boston, 1861. 



ROD WELL, G. F. A Dictionary of Science. 



8vo. 580pp. London, 1871. 



ROEHL, E. von. Fossile Flora der Steinkohlen-Formation West- 

 phaliens. 4to. 191 pp., XXXII. plates. Cassel, 1868. 



ROEMEK, Ferd. Geognostiche Karte von Obef-Schlesien und den 

 Augrenzenden Gebieten. Sectionen Brieg, Creutzberg, Glei- 

 witz, Guttentag, Konigshiitte, Leobschutz, Loslau, Namslau, 

 Pless-Troppan, Woischnick. 12 Charts. 



ROGERS, H. D. Description of the Geology of the State of New- 

 Jersey, being a Final Report. 



8vo. 301 pp. Philadelphia, 1840. 



Second, Third, Fourth, Filth and Sixth Annual Reports of 



the State Geologist of the State of Pennsylvania. 



8vo. Harrisburg, 1838-1842. 



The Geology of Pennsylvania. 



2 vols. 4to. 586, 1045 pp. Philadelphia, 1858. 



S. B. An Elementary Treatise on Iron Metallurgy. 



8vo. 528 pp., XX. plates. London, 1857. 

 ROGUET, Ch. LeQons de Geometrie Analytique. 



12mo. 479 pp. Paris, 1854. 



ROMANOWSKY. Un Apercu des travaux geognostiques i aites dans 

 le bassin moyen des couches Carboniferes de Russie. 



8vo. 18 pp. St. Petersburg, 1863. 



RONALDS, Edmund; Richardson, Thomas; and Watts, &quot;Henry. 



Chemical Technology ; or, Chemistry in its Applications to 



the Arts and Manufactures ; with which is incorporated a 



revision of Dr. F. Knnpp s &quot; Technology.&quot; Second edition. 



Vol. I. Part 2. Fuel, Destructive Distillation and Artificial 



Illumination. 836 pp. 1855. 



Part 3. Acids, Alkalies, Salt, Soaps, &c. 771 pp. 1863. 

 Part 4. Aluminum, Sodium, Soda, Phosphorus, Matches, 

 Borax, Artificial Mineral Waters, Gunpowder, Gun Cotton, 

 Fireworks, &c. 611 pp. 1865. 

 Part 5. Prussiate of Potash, Oxalic, Tartaric and Citric 



Acids. Appendix. Patents, &c. 894pp. 1867. 

 Vol. II. Glass, Alum, Potteries, Cements, Gypsum, &c. 



491 pp. 1848. 

 Vol. III. Food. 458 pp. 1851. 



7 vols. 8vo. London, 1867. 

 RONGE, O. De la Fabrication de la Tole en Belgique. 



8vo. 88 pp., Ill/ plates, Paris, 1863. 



ROOD, Ogrden N. An Abstract of Prof. KobelPs Stnuroscopic 

 Observations. Vol. V., Pamphlets. .Octavo series. 8vo. 8pp. 1859. 



