HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 2?1 



5322 WELLS (William Charles, M.D., F.R.S.) An ESSAY on DEW, and several Appearances connected 

 with it, first edition, 8vo. new hf. calf extra (FINE COPY) ; EXCESSIVELY SCARCE, 2. 2s 



printed for Taylor and Hessey, 1814 



5323 SECOND [FINAL and slightly enlarged] EDITION, 8vo. new hf. calf extra (FINE COPY) ; 



VERY SCARCE, with author's inscr. (see below), 1. 10s apud eosdem, 1815 



' To Sir Everard Home Bar*, from the Author.' Inscr. on title. 



4 He demonstrated after a series of well-arranged observations made in the garden in Surrey of his friend James 

 Dunsmure, that de\v is the result of a preceding cold in the substance in which it appears, and that the cold which 

 produces dew is itself produced by the radiation of heat from those bodies upon which dew is deposited. For this, the first 

 exact explanation of the phenomena of de'.v, he was awarded the Rumford medal of the Royal Society.' D. N. B. 



5324 _ REPRINT OF THE SECOND EDITION [without Dedication and ' Notice,' but with List of 

 Contents added], 12mo. hf. morocco gilt, g. e. (scarce), Is Qd 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 R. STRACHAN, 8vo. 

 cl. (SCARCE), 15s 1866 



One of the classics of meteorology, termed by Prof. Tyndall ' a beautiful investigation, a model of wise enquiry and lucid 

 exposition,' and by Sir John Herschel ' one of the most beautiful specimens of inductive experimental enquiry lying within 

 a moderate compass '. The editor testifies in his preface to the extreme scarcity of copies of the original editions ; mean- 

 while the reprints themselves have become scarce. 



5323 - ESSAY upon SINGLE VISION with Two EYES, with Experiments and Observations on 

 several other Subjects in Optics, 8vo. sewn,, with AUTHOR'S INSCR. (see below), and MS. corrections, 

 10s 1792 



'To Andrew Gammell, E<-j. from his friend the Author.' Inscr. o>i rev. of title. Part II contains the author's new 

 theory respecting ' visible direction '. 



5327 - Two ESSAYS : one upon SINGLE VISION with Two EYES ; the other on DEW ; a LETTER 



to LORD KEN YON ; and Account of a Female of the White Race of Mankind, part of whose Skin 

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

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



SCARCE), 1. 5S 1818 



The only collected edition of the author's chief works, published by his friend Samuel Patrick. The ' Letter to Lord 

 Kenyon ' explains his differences with the College of Physicians. The memoir included is the chief authority on the 

 author's life. 



5328 WELT (Adrianus Dominicus van) CniMiyE OPPRESS.^ et DESPECT.E GEMITUS, ad Parentes, 

 Phoebum et Naturam, Elegiacis collecti et expositi, sm. 4to. (pp. 23), sewn, os Lugd. Bxtav., 1701 



5329 WERNER (Abraham Gottlob) TREATISE on the EXTERNAL CHARACTERS of MINERALS; an 

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

 the NATURAL SYSTEM, and its APPLICATIONS to the MINERAL KINGDOM : an Original Essay, with 

 3 coloured plates, '46-7 2 vols. roy. 8vo. in 1, cl. (SCARCE), 12s Qd 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 '.Prof. Jamss Geikie, 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. coJ/(RARB), 15s Bristol, 1771 



Of much interest as being written by the great founder 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 4 plates, impl. Svo. (pp. 30), cl. gilt, g. e. (scarce), 10s 6d [1875] 



The grand discovery appeared unfortunately too late to be budgeted by Prof, de Morgan ; the author finds 3,1428 as 

 value for TT. The discovery is offered to the Queen by the author, ' bending his aged form in loyal obeisance ', that it may 

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

 Governments, and every Lover of Mathematical Truth throughout the World.. 



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

 I. THEORY of ANALYTICAL FUNCTIONS. II. SPHERICAL TRIGONOMETRY, with Practical and 

 Nautical Astronomy ; edited from the Author's MSS. by SIR JOHN LESLIE, with MEMOIR by 

 EDWARD SANG, F.R.S. E., printed on ribbed paper, with 2 plates, and diagrams, thick Svo. hf. cl., 

 uncut, 5s Edin., 1838 



5333 WESTON (Thomas, master of the Academy at Greenwich) NEW and COMPENDIOUS TREATISE 

 of ARITHMETICK, in Whole Numbers and Fractions, Vulgar and Decimal, with Tables of Monies, 

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

 cr. 4to. old calf gilt (very slightly wormed, and one joint cracked, otherwise sound copy), IsQd 1736 



1 A simple and useful treatise.' Prof, de, Morgan. 



5334 WESTRUMB (Johann Friedrich) Uber das BLEICHEN mit SAUREN nach franzosischen und 

 englischen Vorschriften, nebst Beschreibung des besten Bleichverfahrens ; with folding plate, 

 post Svo. sewn, 5s Berlin, 1819 



The author, a celebrated chemist of his time, is best known as having first investigated the nature of brewer's yeast. 



5335 WHARTON (Sir George) WORKS, collected into one Entire Volume [with Preface (pp. 21)] by 

 JOHN GADBURY, Student in Physick and Astrology, with fine portrait (? by W. Faithorne), and 

 numerous astrological figures, thick Svo. old calf (rebacked), 1. Is 1683 



5336 ANOTHER COPY, hf. calf (wanting the portrait), 14s 



Containing, besides astrological and astronomical chapters, ' A brief Account of the Causes of Earth-quakes,' and 

 'Sundry excellent Rules, showing by what Laws the Weather is governed, etc.' The author was an ardent astronomer, 

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



5337 WHARTON" (Rear-Adml. Sir William James Lloyd, F.R.S.) HYDROGRAPHICAL SURVEY- 

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

 enlarged, by REAR-ADML. ARTHUR MOSTYN FIELD, F.R.S., with numerous woodcuts and 

 diagrams, and 2 maps, Svo. cl., t. e. g. t 14s (sells 1. Is nett) 1909 



