HENRY SOTaEKAN & CO., 140, STRAND, W.C, and 43, PICCADILLY, W. 719 



14374 ROBSON (John Henry, p-., Doicning Coll.) Solutions of the Examination Papers in 

 Algebra, Mensuration, and the Theory and Use of Logarithms, set for Entrance to the 

 Royal Military College, Sandhurst, 1880-8, cr. 8vo. cL, 2s 6d [1889] 



14375 K.OBSON (Joseph) The British Mars: containing several Schemes and Inventions, to be 

 practised by Land or Sea against the Enemies of Gt. Britain, shewing more plainly the great 

 Advantagfe Britain has over other Nations by being Masters at Sea, with Appendix of a 

 Scheme for Manning the British Navy, with less (irievance to the Subject, etc. etc., 11 folding 

 plates, 8vo. hf. bound (title trimmed) ; RARE, 12* 6c/ 1763 



' Tlie best work on the art of war, next to Bobadil.'— W^«/r. The author was surveyor and supervisor of buildings to 

 the Hudson's Bay Co. He is not included in 7>. H. B. The work was apparently unknown to Lowndes. 



14376 BOBSON (Philip W.) Power Gas Producers : their Design and Application, with 105 

 illnstrations [including 2 folding plates), 8vo. cl., Qs (p. 10* 6d nett) 1908 



14377 ROCH (Gustav) Anwendung der PotentialausdrCcke auf die Theorie der molekular- 

 physischen Fernewirkungen und der Bewe-ung der Electricitat in Leitern, 4to. (pp. 28), 

 seivn, 2s 6d Gottingen, 1862 



Treating the suhjici inntlieniatically. 



14378 BOCHE (Edouard Albert: Univ. Montpellitr) Theses de PHYSKiUE Mathematique et 

 d'AsTRONOMiE, 4to. (pp. 47), scvm, 2s 6d Montpellier, 1844 



Containing : Sur la Distribution de la Chaleur dans une Sphire : Sur la Figure des Planetes. 



14379 ROCHEMORE (Fran9ois Comte de) De Geometric: Sublimioris Theoria, et Usu de 

 Sph.kra Armillari atque Instrumentorum Geometricorum Praxi in Altimetria, Geodsesia, 

 et Architectura publica Exercitatio, in qua selectas Proj)ositiones ad audientium Libitum evolvit, 

 demonstrat Ditticultatibus Proponendis Kesj)onsurus; with Aplates, 4to.(pp. 40), sewn, bsRowfc, 1769 



' In planetario systeniate, vel sol circa terrain in ecliptica nioveatur, vel tellus circa soleni in systeniate Copernicano, 

 corporis nioti phanomena explicari non possunt, nisi niotus orbita sit ellipsis.' — P. :?•'>. 



14380 ROCQUES (X.) Les Industries de la Conservation des Aliments ; Prefaces par 

 P. Brouardel et A. Muntz ; with 111 illustrations, 8vo. cl. {cover stained), 6s 6c? (p. F. 15 

 nett) 1906 



14381 RODGER (James Wyllie), and William WATSON; f.r.s., Roy. Coll. of Science: On the 

 Magnetic Rotation on the Plane of Polarization of Light in Liquids, Part I : Carbon 

 Bisulphide and Water, \vith illustrations, roy. 4to. (pp. 35), sewn, 2s 1895 



14382 RODRIGUES de PASSOS (Joaquim Antonio, ingenieur civil) TnicSE d'AsTRONOMlE pour 

 le Doctorates Sciences Matl)6inati«iues, 4to. (pp. 42), sewn, 2s 1853 



1438.S RODWELL (George F., f.r.a.s., f.c.s.) The Birth of Chemistry, with portrait of John 

 Mayov, and 24 woodcuts from old prints, etc., cr. 8vo. cl. {scarce), 6s 187+ 



An interesting introduction to the history of chemistry to the time of Lavoisier, Priestley, and Scheele. 



14384 On the Effects of Heat on certain Haloid Compounds of Silver, Mercury, Lead, 



and Copper, v-ith plate and 11 woodcuts, roy. 4to. (pp. 44), sewn, with inscr. to Prof. A. S. 

 Herschel. F.R.S., 3s 6d 1882 



14385 ROECHLING (Herman Alfred, m.i.c.e.) Sewer Gas and its Influence on Health, with 

 li fold in a plates, and other illustrations, 8vo. cl., 2s %d (p. bs) [1898} 



14386 ROEDDER (O. C.) Die elektrotechnischen Einrichtungen moderner Schiffe ; with 

 2 plates and 222 illustrations, impl. 8vo. sewn, is 6c? (p. M. 8.60) Wiesbaden, 1903 



Including wireless telej^raphy installations on shipboard. 



14387 ROERDANSZ (R.) Das gezogene vierpfundige Feldgeschutz ; with A folding plates 

 (3 coloured), 8vo. cl., 3* Berlin, 1865 



14388 ROGERS (Samuel Baldwyn, NantyGlo) Elementary Treatise on Iron Metallurgy, 

 up to the Manufacture of Puddled Bars, huilt upon the Atomic System of Philosophy, etc., com- 

 prising^ Suggestions relative to important Improvements in the Manufacture of Iron and Steel, and 

 the Conduct of extensive Iron Works, with Analytical Tables of Iron-Making Materials, 20 plates 

 {2 folding), 8vo. (pp. 556), cl. {scarce), %s (p. £1. si) 1858 



Contiining an interesting account of the author's invention of iron bottoms to puddling furnaces, which is extensively 

 quoted in Dr. Percy's ' Metallurgy of Iron and Steel '. According to the latter the author ' died in absolute penury at the 

 age of So ' . 



14389 ROGERS (Thomas, Engineer and Light House Builder) Documents relating to Portdyn- 

 LLAEN Harbour, Caernarvonshire, with a View to its Improvement for the better Security of 

 Trade, and a shorter and safer Communication between Ireland and England, with 3 folding 

 copperplates, 12mo. (pp. 51), sewn, 6.s Dublin, 1807 



Porthdinlleyn, midway between Holyhead ami Fishguard, nearly cut them both out as the mail-port for Dublin ; but 

 when railways were made the impossibility of getting one across the transverse mountain-chains of Central Wales spoilt 

 its* chance for ev er 



14390 ROGERS (William A. ; Harvard College Observatory) Comparison of the Harvard College 

 Observatory Catalogue of Stars for 1875.0, with the Fundamental Systems of Auwers, 

 Safford, Boss, and Newcomb, 4to. (pp. 40), sewn, 3* Carribridge \^Mass.'\, 1882 



14391 , and Clement Henry McLEOD, McGill Univ. : The Longitude of the McGill 



College Observatory. 4to. (pp. 67), sewn, 2s 6d Montreal, 1886 



14392 , and Anna WINLOCK: Catalogue of 130 Polar Stars for the Epoch of 1875.0, 



resulting from all the available Observations made between 1860 and 1885, and reduced to the 

 System of the Catalo^aie of Publication XIV. of the Astronomische Gesellschaft, 4to. (pp. 73), 

 sewn, tis [Cambridge, Mass., 1886] 



14393 ROHDE (Gen. -Major Johann Philipp v. ; Prussian Army) Mathemati'sche Abiiand- 

 lungen. I. Ueber das B a llistische Problem. II. Ueber die Aenderungen der Elemente, 

 der Planeten- und Cometenbahnen in einem widerstehendeu Mittel. 4to. (pp. 52), sewn, 3* %d 



Potsdam, 1797 



