HENRY SOTHERAN & CO., 140, STRAND, W.C. and 37, PICCADILLY, W. 229 



4515 SOPWITH (Thomas ; f.r.s.) Account of the Mining Districts of Alston Moor, Wear- 

 dale, and Teesdale, in Cumberland and Durham, with the Scenery, Antiquities, Geology, 

 and Mining Operations in the Upper Dales of the Rivers Tyne, Wear, and Tees, coloured plan, and 

 woodcuts, fcap. 8vo. cl., uncut {scarce), 12s 6d Alnwick, 1833 



This copy belonj?e<i to Samuel Edward [Cook, afterwards] Widdrington, f.r.s., and contains an interesting S-p. M.S. 

 account of the author by the former's father, Joseph Cook. 



The autlior is well known for liis series of wooden models of geological structures, illustrating the stratification of the 

 Newcastle coaltlt;ld. 



4516 SOREL (Ernest) La Grande Industrie Chimique Minerale : Soufre, Azote, Phosphates, 

 Alun ; with 113 illustrations, thick 8vo. sewn, Is Gd (p. F. 14. nett) 1902 



4517 SORET (A.) CouRS Theorique et Pratique de Photographie ; with 75 illustrations, post 

 8vo. sewn, 2s 6d 1894 



4518 Optique Photographique ; with 72 illustrations, cr. 8vo. sewn. Is 6d 1891 



4519 SOTHERN (J. W. and R. M.) Simple Problems in Marine Engineering Design (includ- 

 ing; Turbines). 2nd Ed., post 8vo. cl.. Is 6d Glasgow, 1908 



4520 SOUTH (Sir James, f.r.s.) Observations of the Apparent Distances and Positions of 458 

 Double and Triple Stars, made 1823-5, with a Re-examination of 36 Stars of the same Descrip- 

 tion, the Distances and Positions of which were communicated in a former Memoir [also, Syn- 

 optical View of the Results afforded hy the Observations detailed in the present, and preceding 

 Communications], 4to. (pp. 418), sewn, with inscr. to the Malta Gan-ison Library by John Day, 

 M.D., F.R.S., 155 1826 



Forming pt. I of Phil. Trans, for 182«. 



' He executed at Passy, near Paris, in a few months what Herschel calletl 'a noble series of measures ' on 458 compound 

 stars, of which IftO were new ; and for these labours was awarded the Copley medal in 18'2»}.'— ^(/»es M. Gierke. 



4521 SOVER (Bartholomeus, Friburgensis) CURVI ac RECTI Proportio; loith fine engraved portrait, 

 and numerous diagrams, cr. 4to. sewn, 9* Patavii, 1630 



4522 Another Copy, old vellum {fine copy), \Qs 6d 



Rare ; unknown to Poggendorff, Brunet, Graes.se, or Ebert. 



4523 SPALIiANZANI (Lazaro, Pavia ; f.r.s.,) Chimico Esame degli Esperimenti del Sig. 

 Gottling, Prof, a Jena, sopra la LuCE de Fosforo di KuNKEL osservata nell' Aria comune, ed 

 in diversi Fluidi Aeriformi Permanenti, nella qual Occasione si esaminano altri Fosfori Posti dentro 

 ai medesimi Fluidi, e si cerca se la Luce Solare guasti il Gaz Ossigeno ; with folding plate, large 

 8vo. sewn, uncut (rare), 12* Modena, 1796 



The celebrated physiologist's only contribution to chemistry. 

 V. Senebier, ante. 



4524 SPARKES (A. L.) The Inductive Algebra, cr. 8vo. cL, 2s [1881] 



4525 SPEARMAN (Captain J. Morton) The British Gunner, 2nd Ed., vignette on copper, and 

 woodcuts, r2mo. hf. calf gilt, is 1828 



4526 SPECOLA VATICAN A, Pubblicazioni della; Fascicoli II e III; with portraits of Pope 

 Leo XIII. and of Contradml. Mouchez, and numerous fine photographic and lithographic plates, 

 and folding charts, 2 vols. 4to. boards, 8* %d Roma, Tipografia Vaticana, 1891-3 



Containing contributions by Fraxce.sco Denza (director), Giu3eppk Lais, etc. Vol. Ill contains some fine photographs 

 of clouds. 



4527 SPEIDELL (Euclid) Logarithmotechnia : or, the Making of Numbers called Logarithms 

 to 25 Places, from a Geometrical Figure, with Speed, Ease, and Certainty. The like not 

 hitherto published, with folding plate showing the ^geometrical figure', sm. 4to. old mottled calf 

 gilt {wormed, otherivisc fine copy) ; rare, with bookplate of Charles 3rd Earl Stanhope, F.R.S. , 

 Ms Gd 1688 



4528 SPEIDELL (John, practitioner in the Mathematicks, and professor thereof in London) Geo- 

 METRICALL EXTRACTION, or a Compendious Collection of the Chiefe and choyso Problemes, collected 

 of the best, and latest Writers. Whereunto is added, about 30. Problemes of the Authors Inuen- 

 tion, being for the most part, performed by a better and BRIEFER WAY, then by any former 

 Writer, with numerous diagrams, sm. 4to. sewn (rare), £1. 15.s £. Allde, 1617 



There is no copy of this edition in the British Museum. The author was the father of the above Euclid Speidell, and 

 the first to publish a table of logarithms on the natural base o. His biography is unaccountably omitted from D. N.B. 



'Not only these Problemes . . . but much more . . . may be performed by a Mathematical Scale, now newly (this 

 present yeare) by me inuented. '—Pr?/ace. 



4529 SPENCER (W. H.) ELEMENTS of QUALITATIVE Chemical Analysis, 4to. nl. {out of print), 

 3s (p. 10.V Gd) 1860 



4530 SPETH (Johann) Dissert atio Inauguralis, qua Solutio Martis Puro Alcali et Ana- 

 TOMIA SuLPUURio COMMUNIS sistuntur, 4to. (pp. 43), sewn, 3s Gd Halw, 1712 



4531 SPEYERS (Clarence Livingston, Rutgers Coll.) Text-book of PHYSICAL Chemistry; with 

 diuf/rams, large post 8vo. cl., 3s (p. 10* Gd nett) New York, 1897 



4532 SPIEGEL (Leopold, Berlin) Der Stickstoff und seine wichtigsten Verbindungen ; with wood- 

 cuts, Svo. (|)]). 924), tiew hf cl., 15s Gd (p. M. 20. unbound) Braunschweig, 1903 



4533 SPINUGCI (Giuseppe) Aritmetica Pratica, o sia Modo Facilissimo di Conteggiare senza 

 Maestro con diversi Ksempj ragguagliati in Moneta, Pdso, e Misura dello Stato Pontificio, Svo. 

 hf. bound, Is Gd Fermo, 1778 



Unknown to Prof, de Morgan. 



A fine specimen of binding: 



4534 Another Copy, finely bound in contemporary Italian red morocco super-extra, richly 



tooled back and sides, with the arms of Cardinal Casali in gold on sides, gilt flyleaves, g. e. (choice 

 copy), £1. 5s 



This appears to have been the author's presentation copy to Card. Antonio Casali, Prefect of the Holy Congregation, to 

 whom the work is deflicated, it being printed on superior paper, and having the misprints neatly corrected in MS. 



