108 SCHOOL OF MINES LIBRARY. 



ROOD, Ogden N. On Certain Adaptations of the Compound Micro- 

 scope. Vol. V., Pamphlets. Octavo series. 8vo. 3pp. 1856. 



On the Action of Very Weak Electric Light on the Iodized 



plate. Vol. V., Pamphlets. Octavo series. 8vO. 3pp. 1864. 



On the Green Tint from mixing Blue and Yellow Powders. 



Vol. V., Pamphlets. Octavo series. 8vO. 2pp. 1866. 



On the Nature and Duration of the Discharge of a Leyden 



Jar connected with an Induction Coil. Vol. v., Pamphlets. 

 Octavo series. 8vo. 10pp. 1867. 



On the Production of Thermo-Electric Currents by Percus- 

 sion. Vol. V., Pamphlets. Octavo series. 8VO. 8pp. 1866. 



On the Study of the Electric Spark by the Aid of Photo- 

 graphy. Vol. V., Pamphlets. Octavo series. 8VO. 8pp. 1862. 



Photometric Experiments. Part Second. On the amount 



of Light transmitted by Plates of Polished Crown Glass at a 

 Perpendicular Incidence. Vol. Afc, Pamphlets. Octavo series. 



8vo. 10 pp. 1870. 

 Upon Some Experiments connected with Dove's Theory of 



Lustre. Vol. V., Pamphlets. Octavo series. 8VO. 7 pp. 1861. 



ROOT, P. H. and F. M. Illustrated Catalogue of Force Blast 

 Blowers, Portable Forges, Cupolas and Gas Exhausters. 



4to. 32 pp. Connorsville, Ind., 1874. 

 ROSCOE, Henry E. Lessons in Elementary Chemistry. 



12mo. 458 pp. London, 1869. 



The same as above. New American edition. 



16mo. 383 pp. New-York, 1870. 



Spectrum Analysis. Six Lectures delivered in 1868, before 



the Society of Apothecaries of London. 



8vo. 348 pp. London, 1869. 



Gustav. Beschreibung einig neuen Mineralien vom Urals. 

 Vol. X., Pamphlets. Octavo series. 8VO. 22pp. 



Das Krystallo-Chemisohe Mineralsystem. 



8vo. 156 pp. Leipsig, 1852. 



Die Heteromorphen Zustaude der Kohlensauren Kalkerde. 

 Vol. X., Pamphlets. Octavo series. 8VO. 14pp. Beilil!, 1860. 



Die E.lentitat des Edwardsit u. Monagit. Vol. x., Pamphlets. 



Octavo series. 8VO. 7 pp., I. plate. 



Elemente der Krystallographie. Second edition. 



8vo. 173 pp., X. plates. Berlin, 1838. 



The same as above. Third edition. Edited by Sadebeck, 

 Alexander. 8vo. 181 pp. Berlin, 1873. 



MincralogisclrGeognostische Reise nach dem Ural, dem 

 Altai und dem Kierpathische Meere. 



2 vols. 8vo. Berlin, 1837-1842. 



Ueber Schaumkalk als Pseudomorphose von Aragonit. 

 Vol. X., Pamphlets. Octavo series. 8VO. 12 pp., I. plate. 1855. 



lleinrich. Austiihrliches Handbuch der Analyiischen Chemie 

 Qualitative und Quantitative. 4 vols. 8vo. Brunswick, 1851. 



liandbnch der Analytischen Clremie. Sixth edition. Vol. 

 I. Qualitative Analyse. Vol. II. Quantitative Analyse. 



2 vols. 8vo. Leipsig, 1867. 



