HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 207 



4094 ROSSLEJl (Balthasar) SPECULUM METALLURGLE Politissimum, oder: hell-polierter BERG- 

 BAU-SPIEGEL, darinnen zu finden : wie man Bergwerck suchen, ausschtirff'en, mit Nutzen bauen, 

 allentlialben wohl anstellen, befordern, dabey alles Gestein und Ertze gewinnen, fordern, rb'sten, 

 schmeltzen, u.s.w. ; with numerous copperplates depicting mining and metallurgical processes, 

 folio, fine copy in old parchment, 2. 2s Dresden, 1700 



VERY RARE ;' unknown to Poggendorff, Graesse, Brunei, etc. The plates are most interesting as showing geological 

 sections of lodes, mine-timbering, winding apparatus, smelting and refining processes, etc. as practised in Saxony in the 

 Seventeenth Century. 



4095 HOST (Johann Leonhard) ASTRONOMISCHES HAND-BUCK, worinnen das nohtwendigste [sic] 

 anzutreffen 1st, was zur Ausiibung der unentbehrlichen Astronomic erfordert wird ; with front, 

 and 14 folding plates (1 of astronomical instruments), thick 4to. sewn, uncut, 5s Nilrnberg, 1726 



4096 ROTHE (Gottfried, M.D., Leipzig] KURTZE doch GRUNDLICHE ANLEITUNG znr CHYMIE . . . 

 aus der beriihmtesten Medicorum, sonderlich Ludovici, Wedelii, Stahlii etc. Schrifften, nebst 

 andern, die man sonst rar und geheim gehalten, 12mo. sewn (rare), 8s Qd Leipzig, 1717 



FIRST EDITION of this once popular work, which went through many editions, and was translated into French. 



4097 ROTHSCHILD (M. D.) HAND-BOOK of PRECIOUS STONES, illustrated, post 8vo. cl. (out of 

 print), 2s Qd (p. 5s) New York, 1890 



4098 ROTH WEILER( Johann Jakob) AlASKEl2CHEMico-PHYSicA, de METALLORUM GENERA- 

 TIONE et TRANSMUTATIONS, sm. 4to. (pp. 20), sewn (rare), 5s Tubingce, 1665 



4099 ROUCHE (Eugene), et Charles de COMBEROUSSE : TRAITE de GEOMETRIE ELEMENT- 

 AIRE ; with 570 diagrams, 8vo. (pp. 800), hf. calf gilt, 3s Qd 1866 



4100 ROUSE (William) The DOCTRINE of CHANCES, or the THEORY of GAMING made EASY to 

 every Person, so as to enable them to calculate the Probabilities of Events in Lotteries, Cards, 

 Horse Racing, Dice, etc., with TABLES on CHANCE, never before published, vignette on copper on 

 title, 8vo. hf. cL, 9s [1814] 



4101 ROUTH (Edward John, F.R.S.) TREATISE on ANALYTICAL STATICS, with numerous Examples, 

 diagrams, 2 vols. 8vo. cl. (cover of v. I soiled and damaged), 8s Qd (p. 1. 4s) 



Univ. Press, Cambridge, 1891-2 



4102 SECOND [LAST] EDITION, diagrams, 2 vols. 8vo. cl. (fresh copy), 17* (p. 1. 8s) 



apud eandem, ib. t 1896-1902 

 4103 TREATISE on DYNAMICS of a PARTICLE, with numerous Examples, diagrams, 8vo. cl. 



(fresh copy), 8s Qd (p. 14s) a. e., ib., 1898 



4104 TREATISE on the DYNAMICS of a SYSTEM of RIGID BODIES, with numerous Examples, 



4th Ed., enlarged, diagrams, 2 vols. 8vo. cl. (covers soiled and damaged), 7s Qd (p. 1. 8s) 1882-4 

 4105 LATER EDITIONS (v. I 6th, and v. II 5th), diagrams, 2 vols. 8vo. cl. (fresh copy), 13s 



(p. 1.8s) . '1897-2 



4106 TREATISE on the STABILITY of a GIVEN STATE of MOTION, particularly STEADY MOTION 



(Adams Prize Essay, 1877), 8vo. cl. (cover soiled), 4s (p. 8s Qd) 1877 



4107 ROUTLEDGE (Robert, F.C.S.) DISCOVERIES and INVENTIONS of the NINETEENTH CENTURY, 

 9th Ed., with 434 illustrations, sq. 8vo. cl., g. e., 2s (p. 7s Qd) 1891 



4108 - POPULAR HISTORY of SCIENCE, with 331 plates and woodcuts, including many portraits of 

 Scientists, thick large post 8vo. cl., g. e. (out of print], 3s Qd 1881 



4109 [? ROWBOTHAM (Samuel, M.D.)] ZETETIC ASTRONOMY. EARTH NOT A GLOBE ! an Experi- 

 mental Inquiry into the True Figure of the Earth, PROVING it a PLANE, without Axial or Orbital 

 Motion ; and the ONLY MATERIAL WORLD in the UNIVERSE ! By 'PARALLAX', with woodcuts 

 and diagrams, 12mo. cl. (scarce), 10s Qd 1864 



The authorship is given as above on the authority of Halkett and Laing. Prof, de Morgan however mentions (Budget of 

 Paradoxes, p. 306) an S. GOULDEN as the author of this epoch-making work, which also contains the discovery of a new 

 theory of perspective, admirably fitting facts with the author's theories, and exploding once for all the antiquated notion 

 of a globular earth. 



4110 [ROWE (John)] INTRODUCTION to the DOCTRINE of FLUXIONS, revised by several Gentlemen 

 well skill'd in the Mathematics, first edition, with numerous diagrams, 8vo. old calf (joint 

 cracked) ; rare, 8s Qd ' MXCCLI [sic; recte 1751] 



Interesting as the earliest elementary treatise on the fluxional calculus. 



4111 THIRD EDITION, with Additions and Alterations, 12 folding plates, 8vo. old calf (rare], 



10s Qd 1767 



This edition was wholly rewritten, and contains an historical preface. 



4112 [ ] FOURTH EDITION, with ESSAY on the THEORY; revised, corrected, etc. by WILLIAM 



DAVIS, interleaved, and diagrams added, post 8vo. hf. calf (back damaged), 5s Qd 1809 



In his preface the editor mentions the 'great scarcity' of the above editions, and 'the difficulty of procuring a copy of 

 the work at any price'. 



4113 ROWELL (George Augustus) ESSAY on the CAUSE of RAIN and its allied Phenomena, folding 

 chart, 8vo. cl., 5s Oxford, 1859 



The author objects to the cyclone theory of storms, and advances one of his own, mainly based on the quantity of 

 atmospheric electricity. 



4114 ROWNING (John, Rector of Anderby) COMPENDIOUS SYSTEM of NATURAL PHILOSOPHY : with 

 Notes, containing Mathematical Demonstrations, and some Occasional Remarks; 7th Ed., with 

 Additions, numerous plates, 2 vols. 8vo. old calf, Is Qd 1772 



LAST EDITION of 'a very ingenious work.' Charles Hutton, F.R.S. Prof, de Morgan (Budget of Paradoxes) quotes 'a very 

 pretty conceit on the subject of attraction ' in this work, 'which Boscovich afterwards developed.' 



4115 _ PRELIMINARY DISCOURSE to an intended TREATISE on the FLUXION ARY METHOD, explain- 

 ing its Nature and Peculiarity in a familiar and easy Manner, 2 plates, 8vo. sewn, 3s Gd 1756 



' Largely argumentative.' D. N. B. 



4116 ROY (Claude, graveur en faille douce) ESSAI snr la PERSPECTIVE PRATIQUE, par le MOYEN du 

 CALCUL; with copperplate, 8vo. (pp. 52), sewn, 3s Qd 1756 



