354 HENKY SOTHERAN & CO., 140, STRAND, W.C, akd 37, PICCADILLY, W. 



6913 CLAHK (Josiah Latimer, f.r.s. ; telegraph cable enqinccr) Treatise on the Transit InstrU' 

 MENT as applied to the Determination of Time, for the Use of Country Gentlemen, with front., and 

 woodcuts, 8vo. cL, 45 1882 



6914 , and Robert SABINE : Electrical Tables and Formula, for Telegraph Inspectors 



and Operators, ivith ivoodcuts, post 8vo. cL, ivith auto, and MS. notes by Edouard Hospitalier, 

 3* Qd 1871 



Altliongli out of date, this work is of some historical value. 



6915 , and Herbert SADLEK, f.r.a.s. : The Star-Guide : the most remarkable Celestial 



Objects visible Avith Small Telescopes ; with their Positions for every Tenth Day in the Year, etc., 

 roy. 8vo. cl., 2s 6d (p. 5*) * 1886 



6916 CLARK (Samuel, Teacher of Mathematics) The Laws of Chance : or a Mathematical Invest- 

 igation of the Probabilities arising from any proposed Circumstance of Play, applied to a great 

 Variety of Problems relating to Cards, Bowls, Dice, Lotteries, etc., 8vo. old calf [rare], 12s 1758 



6917 Another Copy, old sheep, with bookplate of Michel Chasles, f.r.s., historioM of 



geometry, 12s 6c? 



' He iliscusses at great length the problem of finding the chance of throwing an assigned number of points with a 

 given number of similar dice. Pp. 44-08 are devoted to problems connected with the game of bowls.'— Pro/. TodMinter's 

 History of the Theory of Probobility, where an account of this work is given on pp. 323-4. 



6918 CLARK (Thomas, m.d., Prof. Chemistry, Aberdeen) On the Application of the Hot Blast 

 in the Manufacture of Cast-Iron, 4to. (pp. 14), sewn, ivith inscr. to 11. Phillips, F.B.S., 2s 



Edin., 1835 



6919 CLARKE (Col. Alexander Ross, re., f.r.s.) Determination of the Positions of Feagh- 

 MAIN and Haverfordwest, Longitude Stations on the Great European Arc of Parallel : an 

 Appendix to the Account of the Principal Triangulation of Gt. Britain and Ireland, with 4^ folding 

 plates and maps, roy. 4to. cl., with bookplate of B. M. C, Sandhurst, 6s 1867 



6920 CLARKE (E. 'SIL.,''magnetician , of Agar-street, Strand), Description of a MAGNETIC ELECTitlCAL 

 Machine, invented by, with 14 woodcuts, 8vo. (pp. 12), sewn, 5s 6d [1836] 



One of the first magneto-electric machines invented, being an improvement on Faraday's, and preceding immediately 

 that invented by Sturgeon. 



6921 CLARKE (Edward Daniel, pr., Prof Mineralogy, Cantab. ; traveller) On the Chemical 

 Constituents of the Purple Precipitate of Ca'ssius, 4to. (pp. 9), sewn, ivith inscr. to 



E. Phillips, F.R.S., 2s Cambridge, 1820 

 6922 Another Copy ; also : On a Remarkable Deposit of Natron found in Cavities in 



the Tower of Stoke Church, Devon (pp. 9) — 2 parts 4to. unbound, 2s Qd ib., 1820 



6923 , Life and Remains of ; by William Otter, f.l.s. [Bp. of Chichester], with finely 



engraved portrait by Scriven after Opie {foxed), 2 vols. 8vo. ///. brown morocco neat [title 

 stamped), 10s Qd ' 1825 



Containing much geological and mineralogical information, to gain which was one of the chief objects of Dr. Daniel 

 Clarke's extended travels. 



6924 CLARKE (George, f.a.s. ; chemist, Southwark) Treatise on the Magnetism of the Needle, 

 the Reason of its being North and South, its Dipping and Variation ; on the Great Luminary, or 

 Reservoir of Light, called the Sun, the Properties of Light ; a Reasonable Supposition on the 

 Cause keeping the various Orbs in their respective Situations, and connecting their Inlluence with 

 each other ; on the Erroneous Calculation of the Velocity of Light ; the Chemical Process 

 which unintentionally led to this Investigation, 12mo. boards [scarce), 8s M 1818 



a paradoxer unknown to Professor de Morgan. 



6925 CLARKE (Sir George Sydenham ; r.e., f.r.s., Govt, of Bombay) The Principles of 

 Graphic Statics, with 11 plates and 118 diagrams, 4to. cl. [out of print), '6s (p. 12s Qd) 1880 



' Steering a middle course between the too pronouncedly abstract character of many of the numerous foreign treatises, 

 and the too narrowly practical treatment the subject has received in England.'— Pre/((ce. 



6926 CLARKE (J. Wright) Practical Science for Plumbers, Engineers, etc. : Short Chapters on 

 Physics, Metals, Hydraulics, Heat and Temperature, etc., ivith 127 woodcuts, cr. 8vo. cl., 3s (p. 5s 

 nett) 1903 



6927 CLARKE (John, Dean of Sarum) Demonstration of some of the Principal Sections of Sir 

 Isaac Neavton's Principles of Natural Philosophy, in which his peculiar Method of treating 

 that useful Subject, is explained, and applied to some of the chief Pha'nomena of the System of 

 the World, with 17 plates, 8vo. old panelled calf, newly rebacked, with old armorial bookplate, 

 10s 6^ 1730 



a full commenlary on the chapters in the FriHcljan dealing with the Laws of Motion, the Motion of Bodies, Centripetal 

 Forces, Bodies vibrating in Pendulums, attractive Forces of Spherical Bodies, and Introduction on Definitions.. 



6928 CLASSEN (Joannes G-erardus) Dissertatio Inauguralis Chymico-Medica de Calce 

 Viva, sm. 4to. sewn, 5s Halo;, 1733 



6929 CLAUDE (Georges) L'Air Lk^uide : Production, Proprietes, Applications: Preface de 

 M. d'Arsonval ; with 48 illustrations, roy. 8vo. hf cl., 2s 6d 1903 



6930 CLAUDEL (Joseph) Formules, Tables, et Renseignements Pratiques : Aide-Memoire des 

 Ing(5nieurs, Architectes, etc. ; with 3 plates, etc., 8vo. (pp. 712), hf calf, 2s 6d 1845 



6931 CLAUSIUS (Rudolf Julius Emanuel; f.r.s.) Die Mechanische Warmetheorie, 2. 

 umgearbeitete Auflage, I. Band : Entwickelung der Theorie, nebst Anwendungen ; with numerous 

 woodcuts, 8vo. hf brown calf, 3s Qd (p. M. 8 unbound) Braunschweig, 1876 



The author's great work, which first placed thermodynamics on a scientific basis. 



6932 Theorie Mecanique de la Chaleur, 2^ Ed., refondue et completee, traduite par 



F. FOLIE et E. RONKAR ; with woodcuts and diagrams, 2 vols. 8vo. hf. cl. [nice copy), 14s 



Mons, 1888-93 



6933 Die Potentialfunction und das Potential, 1. Aufiagre, S\o.sewn,2s Qd Leipzig, 1859 



0934 Dritte Auflage, 8vo. boards, 2s (p. M. 4 unbound) ib., 1877 



