HENRY SOTHERAN & CO., 140, STRAND, W.C, and 37, PICCADILLY, W. 263 



5159 WALKEB (Richard, Apothecary to the Raddiffe Infirmary) Experiments on the Production 

 of Artificial Cold (pp. 8) : Observations on the best Methods of Producing Artificial 

 Cold, plate of apparatus (pp. 20)— 2 parts 4to. sewn, 3a* 6rf 1788-95 



5160 WALKER (Robert, Wadham Coll.) The Elements of the Theory of Mechanics, Svo. hf.d., 

 3^ Oxford, 18S0 



5161 WAIiKER (Sydney F., M.i.M.E.) Electric Lighting for Marine Engineers, 2nd Ed., with 

 108 woodcuts, post 8vo. cl., 2s (p. 5*) [1896] 



5162 Electricity in Mining, with 32 plates, and 163 other illustrations, Svo. cl., Qs (p. 9s 



nett) 1907 



5163 Steam Boilers, Engines, and Turbines, with 28 plates, and 189 other illustrations, Svo. 



cl., 6s (sells 9s nett) 1908 



5164 WAIiKER (Thomas Andrew; contractor) The Severn Tunnel: its Construction ami 

 Difficulties, 1872-87, u^ith 5 fine steel portraits of Sir John Hawkshaw, the Author, and others, 

 and over 40 lithographs and plans (mostly folding), roy. Svo. d., 8* (p. £1. 5*) 1888 



The hiBtory of the laotit romantic and exciting work in all Eugliah engineering, writteL by the luan who carried it 

 through. It includes ^enerouv recognition of all tlie chief agentJt employed, and not least of Ltmbert tiie diver, who 

 crawled a thousand feet in the daric to shut the iron door at the end of the heading, when it waa oumpleteiy drowned out. 



5165 WALKER (William, Jr.) Memoirs of tlie Distinguished Men of Science of Ux. Britain, 

 livin<' in 1807-8, with Intro, by Robert Hunt, F.R.S., with folding front., containing 51 portraits, 

 by W ILLIAM Walker, Svo. cl., 6« 6rf 1862 



Thf tifty-oiH' here commemoratcii were a truly remarkable illuotnition of the age they lived in. 



5166 WALKINGAME (Francis, writing-master) The fit\D Tutor's Assistant, being a Com- 

 pendium of Arithmetic and a complete Question- Hook. The KULBS are VERSIFIED; a Plan 

 entirely New, and much better adapted to Young Minds than that of Prose, 12iuo. old oalf (very 

 50Mwrfco/>y); VERY RARE, £1. 1* 1781 



This is tiie ISth edition of the ' Tutor's Astfistant ', from which it differs in having the rules vtrtiM. This * portkml 

 edition ' api>ears to have had no success, and was unknown alike to Po>f. de Morgan and D. N. B., whiltt tlM proM Vtrakm 

 went through numberless editions. 



' By lar the most used of all the school-books, and deserving to stand high among theui.'— fVo/. dt Jforyaii. 



5167 WALL (A. H.) Artistic Landscape Photography, with 6 plates, and numerous wtodeuts, 



Svo. hf buckram, \s 6f/ (p. 3* 6flO Bradford, [1896] 



5168 WALLACE (Alfred Russel, F.R.S.) Man's Place in the Universe : a Study of the liesnltH 

 of Scientitic Research in Relation to the UNITY or PLURALITY of Worlds ; 4lh Ed., with Addi- 

 tional Argument dependent on the Theory of Evolution, diagrams and map, thick Svo. d.,^M 

 (p. 6*) 1904 



Dr. Wallace's remarkable argument against the plurality of worlds. 



5169 WALLACE (Robert, Prof. Mathematics, Glasgow) Elements of ALGEBRA : a Khort and 

 practical Introduction on a New Plan, with Siniplilication of the Rule for the Solution of Etiuatiuns 

 of all Dimen.sions, Svo. sewn, Zs 1828 



5170 WALLACE (William) Alston Moor: its Pastoral People, its Mines and Miners, with 

 plates, Svo. cl., with auto, letter from the author, Zs 6d Newcastle-on-Tyne, 1890 



An interesting account of the wild leadminitig country in the high moors of West Tyneluad, which ha« bean worked 

 since Roman times. 



5171 WALLACE (William Clay, m.d., N. Y. Inst, for the Blind) The Accommodation of the Eye 

 to Distances, with woodcuts, Svo. (pp. 36), sewn, with auto, of Peter Mark lioget, P. U.S., 3* 



New York, 1850 



5172 The Structure of the Eye, with reference to Natural Theology, 22 woodcuts, ixMt 



Svo. cl., with Dr. RogeVs bookplate and auto., Zs 6d ibidem, 1838 



5173 WALLER (Augustus Desire, f.r.s.) Lectures on Physiology, L Series: on Animal 

 Electricity, illustrated, Svo. buckram, 3s (p. 5* nett) 1897 



5174 WALLERANT (Frederic) Groupements Cristallins ; with 33 diagrams, post Svo. hoards, 

 \s [1899] 



5175 WALLERIUS (Johan Gottskalk) Meditationes Physico-Chemic^e de Orioine Mundi, 

 imprimis Geocosmi, ejusdemque Metamorphosi ; toilhjjlaie, sui. Svo. old parchment (back slightly 

 damaged, and some II. stained) ; rare, S* Slockholmia, 1779 



The author was Bergman's predecessor as professor of chemistrv at Uiwala, and made some itnporUnt iDVMtlfatiOM la 

 agricultural chemistry. The above work was unknown to Poggendorff. 



5176 WALLIS-TAYLER (A. J., c.e.) Modern Cycles: a Practical Handbook on their Con- 

 struction and Repair, with over 300 illustrations, post Svo. d. (out of print). As Sd (p. 10«0c^) 1897 



5177 Refrigeration, Cold Storage, and Ice-Making : a Pi-actical Treatise on the Art and 



Science of Refrigeration, with 361 illustrations, Svo. d., lOs (p. 15* nett) 1902 



517S WALLON (Etienne) Traite El^mentaire de I'Objectif Photographique ; with 135 wood- 

 cuts and diagrams, roy. Svo. sewn, As (p. F. 7.50 nett) 1891 



5179 WALMESLEY (Charles; O.S.B., F.R.S., Bp. of Rama) Analyse des MtsuREs.des Kapports. 

 et des Angles : ou Reduction des Integrates aux Logarithmes, et aux Arcs de Cercle ; with 4 

 plates, 4to. old mottled calf, newly rebacked, with bookplate of Edward \2lh Duke of Norfolk, 

 E.M. (nwiv:), Ms 6d 1749 



5180 Reimpression ; with A plates, 4to. old tree-calf extra (fine copy), 18* 1753 



An extension and explanation of Cotes's • Hamionia Mcn«uraruni ' (</. v. anU). 



51 SI WALMSLEY (John) Plane Trigonometry and Logarithms, diagrams, poftt Svo. c/., 2« 

 (p. OS) 1879 



51S2 WALSH pavid, M.D.) The RoNTGEN RAYS in MEDICAL Work, 2nd Ed., rewritten and 

 enlarged, mth 31 plates and 72 other illustrations, vo. c/., 5* (p. 10« W nett) 1899 



