HENRY SOTHERAN & CO., 140, STRAND, W.C, and 43, PICCADILLY, W. 725 



14501 ROTH (Justus Ludwig Adolf ; Univ. Berlin) Allgemeine und Chemisciie Geologie, 

 Band II (Petrograpiiie: Bildung, Zusainmensetzung und Veriinderung der Gesteine), 3 parts 

 roy. 8vo. sewn, Ss (p. M. 20) Berlin, 1883-7 



The author's work on petrography is of great importance. 



14502 III. Band. I. Abtheilung : Die Erstarrungskruste und die Lehre vom 



Metamorpiiismus, roy. 8vo. sewn, 3« (p. M. 6) ibidem, 1890 



14503 ROTHERHAM (John, m.d. ; Prof. Natural Philosophy, St. Andrews) Philosophical 

 Inquiry into the Nature and Properties of Water, with folding plate of the several salts, 

 8vo. sewn, 5s Qd Newcastle upon Tyne [1770] 



Containing a chapter on ' the specific gravity of water, with a new and accurate method of determining it." The author 

 became in 1703 coaiijutor to Prof. Joseph Black in the chemistry chair at Edinburgh University (A iV. B.). 



14504 ROTHSCHOLZ (Friedrich; bookseller) Bibliotheca Chemica Hothscholtziana, 

 darinnen man alle diejenigen Auctores tindet, die von deni Stein der Weisen, von Verwandlung 

 der schlechten Metalle in bessere, von Bergwercken, von Mineralien, u. s. w. geschrieben haben^ 

 samt Lebens-Beschreibungen beruhmter Philosophorum, III. und IV. Stuck ; with portraits of 

 Flaiaellus and Ilelvetius, 12nio. boards, %s %d Niirnberg und Altdorf, 1727-8 



14505 ROXJBAIS du TOURGOIN (Jaques de) Physical Dissertation concerning the Cause of 

 the Variation of the Barometer, the Form of the Globe of the Earth, the Diminution of Heavy 

 Bodies, the Flux and Reliux of the Sea ; wherein some Mistakes of SiR I. Newton's System are 

 rectified ; also, that it is impossible to fiind out the Longitude ; and that those who pre- 

 tend to make that Discovery, are Impostors, translated into English, sm. 8vo. (pp. 74), sewn, 

 {rare), 9s 1721 



14506 ROUCHE (Eugene) Snr le Developpement des Fonctions en Si^RiES Ordonn6es suivant les 

 Denoniinateuis des Keduites d'une Fraction Continue, 4to. (pp. 35 j, *ei«>n, with author's inscr., 

 2s 1858 



14507 Sur les Integrales communes h, plusieurs Problbmes de Mecanique relatifs au Mouve- 



MENT d'un Point sur une Surface, 4to. (pp. 23), sewn, 2s [1854] 



14508 M6M0IRE sur la Serie de Lagrange, 4to. (pp. 32), seivn, 2s 6d [1861] 



14509 , et Charles de COM BEROUSSE : Traite dcG^OMETRiE 6l6mentaire; 3® Edition, 



revue et augmentee ; with 612 diagrams, 2 vols. 8vo. in 1, hf. calf, Ss (jd 1873 



14510 CiNQUiEME Edition, augmentee ; with 620 diagrams, 2 vols. 8vo. sewn, 5s (p. F. 16 



nett) 1883 



14511 , et L. LACOUR : Lecons Nouvelles de TrigonOxMETRie Rectiligne et Sph^rique ; 



ivith 49 diagrams, 8vo. sewn, 2s ' 1857 



14512 , et Lucien L^JVY : ANALYSE Infinit6simale h TUsage des Ing^nieurs, Tome II : 



Calcul Integral (Integrales Indefinies et Detinies, Series de Fourier, Fonctions Elliptiques, 

 Equations Difterentielles Ordinaires et aux Deriv^es Partielles, Calcul des Variations ; with 50 

 diagrams, thick roy. 8vo. sewn, with auto, of Prof Lloyd Tanner, F.B.S., 8s (p. F. 15 nett) 1902 



14513 ROULET (Louis), Officiele Stukken betrekkelijk het Drinkbaar maken van Zeewater 

 door den Toestel van, roy. 8vo. (pp. 56), sewn, 2s 6d . z. p., 1851 



14514 ROXJTH (Edward John, f.r.s , Fellow of Peterhouse) Treatise on Analytical Statics, 

 with numerous Examples, diagrams, 2 vols. 8vo. c/., 105 (p. £1. 4s) Univ. Press, Cambridge, 1891-2 



14515 Treatise on Dynamics of a Particle, with numerous Examples, diagrams, 8vo. cl. 



{fresh copy), scarce, £1. 5* apud eandem, ibidem, 1898 



14516 Elementary Treatise on the Dynamics of a System of Rigid Bodies, with numerous 



Examples, with diagrams, post 8vo. cl., 2s Qd ibidem, 1860 



14517 Second Edition [greatly enlarged], with diagrams, post 8vo. cl., 3s 1868 



14518 Third Edition, revised and enlarged, ivith diagrams, 8vo. cl., isQd (p. 14s) 1877 



Containing a new chapter on Motion in Two Dimensions, and Historical Notices. 



14519 Fourth Edition, revised and enlarged, with diagrams, 8vo. cl., Qs (p. 14s) 1882 



In this edition the work was split into two parts. Elementary and Advanced. Tlie above, as well as the following 



editions, contain the Elementary Part only. 



14520 Fifth Edition, revised and enlarged, with diagrams, 8vo. cl.. Is (p. 14$) 1891 



14521 Sixth Edition, revised and enlarged, with diagrams, 8vo. cl. , Is Qd (p. 14.s) 1897 



' a masterly elementary treatise.'— D. N. B. It was translated into German, with a preface by Prof. Klein. 



' These [the above] three dynamical treatises constitute an encyclopaedia and bibliography on the subject which have 

 no equal either here or abroad.'— D. N. B. A distant kinsman of Dr. Martin Joseph Routh, he was the chief mathematical 

 coach at Caiiibridu'o for thirty years, and produced twenty-eight Senior Wranglers and forty-two Smith's Prizemen. 



14522 ROUTLEDGE (Thomas) Bamboo, considered asa Paper-Making Material, with Remarks 

 on its Cultivation and Treatment, 8vo. (pp. 40), sewn, Is Qd 1875 



14523 ROUVROY (Friedrich Gustav, Dircktor der Militdr- Akademie [zu Dresden]) VoRLESUN-QEM 

 iiber die Artillerie zum Gebrauch der Kiinigl. Siichs. Militiir- Akademie, 2. giinzlich umgear- 

 beitete Auflage ; with 23 folding plates, 3 vols. 8vo. calf gilt {binding slightly damaged), Qs 



Dresden, 1821-5 

 Containing; copious descriptions and illustrations of contemporary artillery. 



14524 ROWAN (Frederick John) On Gas-Producers ; with Abstract of the Discussion, edited by 

 Ja.mes Forrest, m.i.c.e., with 78 woodcuts^ 8vo. (pp. 115), sewn, 3s Qd 1886 



14525 ROY (Andrew, State Inspector of Mines, Ohio) The Coal Mines : a Description of the various 

 Systems of Working and Ventilating Mines, with Sketch of the principal Coal Kegions of the 

 Globe, and Statistics of the Coal Production, with portrait, maps, and numerous woodcuts, 8vo, 

 cl. {cover stained), 5s Cleveland, 1876 



ROY (Maj.-Gen. William, f.r.s.) Mode of determining the relative Situation of the Royal 

 Observatories of Greenwich and Paris (1787) — v. Maskelyne, No. 11545, ante. 



48 



