PHYSICS. (\i)i) 



Physikalischo Tecbnik si»ocit'ii Auleidiug zur .Selbstaufertigiiii;; l^hysikalisdicr Ap- 



parate. O. Lolimaiin. Svo. . pp. xii, 41!>. Ticipzig, 18^5. 

 Elementary Mochiiiiifs. O. J. Lfxlgc. 1*inio. ))p. 208. Ediiibnrgli, HH.",. (Cljaiii- 



bers. ) 

 Coiirs de mdcauique et uiaebiues prol'csse a r£cole polytechui((uc. 'J'ome I. Ciue- 



niatique, dynauu<iiie dii point niat^riei, statiqne. Bressc;. Svo. pp. xxii, W.\9. 



Paris, 1884. (Gaurhier-Villars.) 

 Treatise on dynamics. W. PI. Besant. Svo. pp. '.120. Loudon, 1385. 

 An elementary treatise on dynamics, containing applications to thermodynamics ; 



with numerous examples. P>. Williamson and F. A Tarleton. Svo. pp. 4G(I. 



London, 1885. (Longmans.) 

 Aufgaben zur Theorie elastlscher Korper. J. J. Weyrauch. 8vo. pp. x, 350, Leip- 

 zig, 1885. (Teubner.) 

 Sammlung von Problemen der analytischen Mechauik. F. Kraft't. Band 1. Svo. pp. 



G50. Stuttgart, 1885. 

 Die Entstehung der Sprache durch Nachahmung desScballes. Th. Ciirti. Svo. pp. 



72. Stuttgart, 1885. 

 Die Schall- und Ton-Stiirke und das Schallleitungsvermogen der Korper. K. von 



Vierordt. Svo. pp. xxii, 274. Tiibiugen, 1SS5. (Laupp.) 

 On a method of precisely measuring the vibratory periods of tuning forks and the 



determinations of the laws of the vibrations of forks ; with special reference of 



the.se facts and laws to the action of a simple chrouo,scope. A. M. Mayer. 4to. 



pp.17. Washington, 1885. (Mem. Nat. Acad. Sciences, III.) 

 The sensations of tone as a physiological basis for the theory of music. H. L. F. von 



Helraholtz. 2dEng. ed. Trans, by A. J. Ellis. 4to. pp. xx, 57(5. London, 1SS5. 



(Longmans.) 

 Pecherches exp^rimentales et aualytiques sur les machines i\ vapeur. Du degie 



d'exactitude des donn6e8 d'observation d'un essai de machine h vapeur. K^.ponsi' 



iiM. A. Hirn. G. Leloutre. Svo. pp.24. Paris, 1885. (Tignol.) 

 Teruiodinamica. C. Cattaneo. l(5mo. pp. ix, 195. Milano, 1884. 

 fitude sur la thermo-dynamique appliqu^e ^ la iJroduction de la force mot rice et du 



froid. Ch. Tellier. Svo. pp. vii, 549. Paris, 1884. 

 Siedetemperatur und Druck in ihreu Wechselbezlehungeu. G. W. A. Kahlbauni. 



Svo. pp. viii, 153. Leipzig, 1885. (Barth.) 

 Om stralande viirnies diiiusion par plana ytor. K. Angstrom. Svo. pp. 55. Upsala, 



1885. 

 Recherches exp6rimentales et analytiques sur les machines a vapeur du Wool f. G. 



Leloutre. Svo. pp. 58. Paris, 1885. (Tignol.) 

 On Light. Second course. On Light as a means of investigation. G. G. Stokos. 



ICrno. pp. viii, 107. London, 1885. 

 Spectrum Analysis. H. Schellen. (Translated from the third German edition by 



Jane and Caroline Lassell. Edited with notes by Captain Abuey, R. E.) Svo. 



London, 1885. 

 Ueber den Beleuchtungswerth der Lampglocken. H. L. Cohn. Svo. p]). viii, 74. 



Wiesbaden, 1885. (Bergmann.) 

 Vorlesungen iiber theoretischo Optik, gehalteu an der Uulversitiit Konigsberg. F. 



Neumann. Herausgegeben von E. Dorn. Svo. pp. viii, 310. Leipzig, 1885. 



(Teubner.) 

 La grammaire de la couleur. E. Guichard. 3 vols. Svo. Paris, 1885. 

 Traits de la lumi^re. Huyghens. Edited by W. Burchhardt. 8vo. pp. iv, 134. 



Lipsiai, 1SS5. (Gressner & Schramm.) 

 Theoretische Optik gegriindet auf das BessolSellmeier'sche Princip. E. Ketteler. 



Svo. pp. xiv, G.")2. Braunschweig, 18-^5. (Vieweg.) 

 A Manual of Tclegraidiy. W. Williams. Svo. ])p. xxii, 327. London, l'^"<5. (Long- 

 mans.) 



