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EXTRACTS from the Proceedings of the Board of Regents of the 

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FARADAY, Michael. Experimental Researches in Electricity. (Third 



Series.) Vol. I., Pamphlets. Quarto series. 



4to. 32 pp., I. diagram. London, 1 s.r}. 



On a Peculiar Class of Acoustical Figure s; and on the 



Forms of Fluids Vibrating on Elastic Surfaces. Vol. i., Pam 

 phlets. Quarto series. 4tO. 42pp. London, 1 .S3 1. 



The Various Forces of Matter. 



12mo. 198 pp. New-York, I860. 



FRANKLIN, Benjamin. Essays and Letters on Philosophical Sub 

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 GANOT. An Introductory Course of Natural Philosophy. Edited 

 by William G. Peck. ]2mo. 480 pp. New-York, 1860. 

 An Elementary Treatise on Physics. Translated by E. At 

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 The same as above. 8vo. 859pp. New-York, 1873. 

 Q-ASSE, L. Katechismus der Electrischen Telegraphic 1 . 



12mo. 372pp. Leipsig, 1870. 

 GRETSCHEL, Heinrich. Katechismus der Physik. 



24mo. 244 pp. Leipsisj, 1865. 



GRIGLIETTA, C. Electro-Magnetism. A Brief Essay or Informal 

 Lecture on Electro-Magnetism, with a Full Description of 

 Models of Davenport s Machines, &amp;lt;fcc. 



8vo. 12pp. Philadelphia, 1838. 

 HENRY, Joseph. Contributions to Electricity and Galvanism. 



Vol. I., Pamphlets. Quarto series. 



4to. 15 pp., I. plate. Philadelphia, 1855. 



Contributions to Electricity and Magnetism. Vol. L, Pamphlets. 



Quarto series. 4to. 51 pp. Philadelphia, 1839. 



The same as above. Vol. I., Pamphlets. Quarto series. 



4to. 35 pp. Philadelphia, 1841. 



JANIN, Jules Celestin. Cours de Physique de L Ecole Polytech- 

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 JOUVE, C. J. Compositions de Mathemaiique et de Physique. 



bvo. 295 pp. Paris, 1855. 



RIRCHOFF, G. Untersuchungen iiber das sonnenspectrum und die 

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43, 16 pp. Berlin, 1863, 1866. 



LAME, G. Lehrbuch der Physik fur hohere polytechnische 

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LARDNER, D. Handbook of Natural Philosophy and Astronomy. 



12mo. 451 pp. Philadelphia, 1857. 



MACLEAN, G. M. Elements of Somatology, a Treatise on the Gen 

 eral Properties of Matter. 12mo. 120pp. New-York, 1859. 

 MAYER, Alfred M. On a New Form of Lantern Galvanometer. 



Vol. V., Pamphlets. Octavo series. Svo. 6pp. 187L*. 



On a Precise Method of Tracing the Progress and of De 

 termining the Boundary of a Wave of Conducted Heat. 



Vol. V., Pamphlets. Octavo series. 8VO. 4pp. 1872. 



