PHYSICS. 489 



Das Potential und eein Anivendung bei der Erkljining Elek'.rische Eracheinungen. O. 

 Tumlirz. 8vo. pp. 202. Wien. 1884. 



Die Generatoreu hochgespannterElektricitiit init vorwiegender Beriicksichtignngdfir 

 Eiektrisirmaschinen in engeren Sinue. J. G. Wallentin. 8vo. pp. 202. Wien, 

 1884. 



Historia y progresos de la electricidad. J. Gomez y Pallete. 8vo. pp. 48. Madrid, 

 1884. 



La elettricit^ e le sue applicazioni. E. Bignami. 8vo. pp.219. Milan, 1884. 



A practical treatise on electric lighting. J. E. H. Gordon. 8vo. pp.228. London, 

 1884. (Low.) 



Sistema de transmisidu telegr^fica. R. Hernandez. 4to. pp. 38. Buenos Aires, 1883. 



R68um6 d'exp^riences sur la d6termination de I'ohm et de sa valeur en colonne mer- 

 curielle. Mascart, F. de Nervillo, »feR. Benoit. 8vo. pp.71. Paris, 1884, 



A pocket-book of electrical rules and tables for the use of electricians and engineers. 

 J. Munro and A. Jamieson. 32mo. London, 1884. 



The practical telegraphist and guide to the telegraph service. W. Lynd. 8vo. pp. 

 220. London, 1884. 



II telefono. V. Piccoli. 16mo. pp. 119. Milano, 1884. 



Electrical appliances of the present day. D. P. Heap. 8vo. pp. 287. New York, 

 1884. 



Recent progress in dynamo-electric machines, being a supplement to "Dynamo- 

 electric machinery." S. P. Thompson. 24mo. pp. 113. New York, 1884. 



Liiran om magnetism och elektriciteteu. A. Wijkander. 8vo. pp.129. Lund, 1884. 



The electric light; its history production and applications. E. Algeave and J. Boa- 

 lard. Translated by T. O'C. Sloane. 8 vo. pp. xviii, 458. New York, 1884. 



Magneto-electric and dynamo-electric machines ; their construction and practical ap- 

 plication to electric lighting and the transmission of power. H. Schellen. 

 Translated from the 3d German edition by U. S. Keith and Percy Neymann. Vol. 

 1. 8vo. pp. 510. New York, 1884. 



Recherchea sur la conductibilit6 galvanique des ^lectrotytes. S. Arrhenius. 8vo. 

 pp. 152. Stockholm, 1884. 



Dynamo-electricity; its generation, application, transmission, storage, and measure- 

 ment. G. B. Prescott. 8vo. New York. 



Le transport de la force par I'^lectricit^ et sea applications industrielles. M. Deprez 

 & Japing. 8vo. Paris, 1884. 



Die Kabeltelegraphie. M. Jiillig. 8vo. pp. 272. Wien, 1884. 



Mauuale di magnetism© ed elettricita. G. Poloni. 16mo. pp. xi, 203. Milano, 1884. 



Die Electricitat und ihre Anwendungen. A. Wassmuth. 8vo. pp. 202. Leipzig, 

 1884. 



Bell's electric speaking telephone ; its invention, construction, application, modifica^ 

 tion, and history. G B. Prescott. 8vo. pp. 350. New York, 1884. 



