HENRY SOTHERAN & CO., 140, STRAND. W.C, AKD 37, PICCADILLY, W. 2l\ 



5322 WELLS (William Charles, m.d., f.ils.) Au Essay on Dew, and several Appearances connected 

 with it, first edition, 8vo. new hf. calf extra (fink copy) ; excessively scarce, £2. 2s 



printed for Taylor and Uessei/, 1814 



5323 Second [final and slightly enlarged] Edition, 8vo. new hf. calf extra (fine copy) ; 



very scarce, with author's inscr. (see below), £1. 10« * apud cosdem, 1815 



♦ To Sir Everard Home Bar*, from the Author.'— /»u>cr. on titU. 



•He demonstrated after a scries of well-arrangeil observ-ations rande in the garden in Sorrey of his friend JaiuQs 

 Dunsmure, that dew is the result of a preceding cold in the su' which it apitean, and that the cold which 



produces dew is itself produced by the ra<liation of heat from tho- . which dew isde|K>sited. For this, the first 



exact explanation of the phenomena of de-.v, he was awarded the H. ,»l of the lUtpH Society.'— 1>. iV. B. 



5324 Reprint of the Second Edition [without UedicaLion and • Notice,* but with Lbt of 



Contents added], 12nio. hf. morocco gilt, g. e. {scarce)y Is 6rf 1877 



5325 Reprint of the Second Edition [with Dedication, Notice, and List of Contents], ed. 



with Preface, and Annotations by L. P. Casella, F.R.A.S., and Appendix by K. Strachan, 8vo. 

 d. (scarce), 155 



One of the classics of meteorology, termed by Prof. Tyndall 'a beautif )n,amulol of wise enquiry and lucid 



exposition,' and by Sir John Herschel ' one of the most beautiful s|)ecim e expcrimenUl emiuiry lying within 



a moderate compass '. The editor tcitities in his preface to the extreme i.... . ..^ -. epics of the original editions ; mean- 

 while the reprints themselves have become scarce. 



5323 E.SSAY upon Single Vision with Two Eyks, with Experinienta and ObservationB on 



several other Subjects in Optics, 8vo. sewn, with author's iNSCa. (see below), and MS. eorrtetiona, 

 10$ 1792 



•To Andrew Ga nmell, E«i. frou \\\i friend the Author.'— /H<r. on rec. qf titU. P*rt II cantains the ftuUior's new 



theory respecting • visible dinwtiou '. 



5327 Two Essays : one upon Single Vision with Two Eyes ; the other on Dew ; a Letter 



to Lord Kenyon ; and Account of a Female of the White liace of Mankind, part of whoee Skin 

 resembles that of a Nejjro, with some Observations on the Causes of the Differences in Colour and 

 Form between the White and Negro liaces of Men, with MEMOIR by himself, 8vo. hf. calf (VERY 

 scarce), £1. 5* 1818 



The only collected edition of the author's chief works, published by his friend tteniucl Patrick. The ' lustier to lyiitl 

 Kenyon ' explains his differences with the College of Physicians. The memoir lododed is the chief authoritjr ou the 

 author's life. 



53-28 WELT (Adrianus Dominicus van) Chimm: Oppres.s.k et Despect.b Gbmitus, ad Parentes, 



Ph(cbuiu et Natiiraiii, Elegiacis collecti et e.\pD.>iiti, sm. 4to. (pp. 23), sewn, 5s Lugd. BaUav.t 1701 



5329 WERNER (Abraham Gottlob) Treatise on the External Characters of Minerals; an 

 improved Translation [of Thomas VVeaver's], with Notes, '49-50: [Anonymous:] ANALYSIS of 

 the Natural System, and its Applications to the Mineral Kingdom : an Ori^^inal Essay, with 

 3 coloured plates, '46-7—2 vols. roy. 8vo. in 1, c/. (SCARCE), 12* 6rf Wernerian Club, 1846-50 



'To Werner belongs the great merit of having brought into prominence a definite principle in the construction of the 

 earth's crust, and a precise method of geological investigation '.—iVo/. Jamt.'i Gtiku, F.R.S. 



5330 [WESLEY (John, pr.)] The Desideratum : or Electricity made Plain and Useful, by 

 a Lover of Mankind, and of Common Sense, 12mo. old hf. calf (rare), 15s Bristol, 1771 



Of much interest as being written by the great foumler of the Methodist Societies One half of the work is on the 

 therapeutic uses of electricity, and forms one of the earliest treatises on the subject. 



5331 WEST (Daniel) Grand Discovery. Demonstration of the True Circumference, with the 

 Exact Area and (Quadrature of the Circle, from the Use of his New Method of employing 

 Lines and Circles in Motion, with i plates, impl. 8vo. (pp. 30), cl. gilt, g. e. (scarce), I0# 6f/ f I875J 



The grand discovery appeared unfortunately too late to be bud};ete«l by Prof, de Monan ; the author finds S.U_'s as 

 value for IT. The discovery is offered to the Queen by the author, ' Ijendin;, his aged form In loral obeisance ', that it luav 

 become the rarest jewel in her crown ; and for the consideration of her Majesty's Miniiiteni, both Hotiaas of Parliament, all 

 OovernmentH, and every Lover of )(athematical Truth throughout the World. 



5332 WEST (John, Rector of St. Thomas in the East, Jamaica) MATHEMATICAL TREATISES : 

 L Theory of Analytical Functions. II. Spherical Trigonometry, with Practical and 

 Nautical Astronomy ; edited from the Author's MSS. by SiR John Lf^lik, with MEMOIR by 

 Edward Sang, f.r.s.e., printed on ribbed paper, with 2 plates, and diagrams, thick 8vo. V"- cl-* 

 uncut, 5a Edin., 1838 



5333 WESTON (Thomas, nmstcr of the Academy at Greenwich) New and Compendious Treatise 

 of Arithmetick, in Whole Numbers and Fractions, Vulvar and Decimal, with Tables of Monien, 

 Weights, and Measures, and a great Variety of Instructive and EnterUining Questions ; 2nd Ed.. 

 cr. 4to. old calf gilt (very sliahtly wormed, and one joint cracked, otherwise sound copy), 7s ad 1736 



'^A simple and useful treatise. '—/'n./. <k Mory^'ii. 



5334 WESTRUMB ( Johann Friedrich) Uberdas Bleichen mit S.VUREN nach franx»j«iiichen nnd 

 engli-schen Vorschriften, nelwt Beschreibung des l)esten Bleichverfahrena; toith foldina plaU, 

 post 8vo, scum, Us Berltn, 1810 



The aullior, a celebrate-l chemist of his time, is best known as having first investigate<l Uie nature of bn-wer's y«»»t. 



5335 WHARTON (Sir George) Works, collocte*! into one Entire Volume [with Preface (pp. 21)] by 

 John Gadbury, Student in Pliysick and Astrology, with fine portrait (r by W. Failhorne), and 

 numerous astrological figures, thick 8vo. old calf (reOacked), £1. Is 1683 



5336 Another Copy, A/. ca//(ican<i«7 Mc;wr<rai/), 14* ^ , . 



Containing, besides astrological and .istronomical cliapters, • A brief Account of the Causes of Barth^qoakes, and 

 ' Sundry excellent Rules, showing by what l^ws the Weather is governed, etc.* The author was an atxlent astronomer, 



astrologer, and almanac-maker, as well as a zealous Itoyalist and pamphleteer. 



5337 WHARTON (Bear-Adml. Sir WiUiam James Lloyd, F.R.s.) Hydrooraphical Survey- 

 ing : a Description of Means and Methods in constructing Marine CharU ; new Ed., revised and 

 enlarged, by Rkar-Adml. Arthur Mostvn Fikld, f.r.s., with numerous tooodcuts and 

 diagrams, and 2 maps, 8vo. cl., t. c. g., 14* (sells £1. Is nett) lw9 



