HENRY SOTHEKAN & CO., HO, STRAND, W.C., AND 37, PICCADILLY, W. 47 



902 CBOOKES (Sir William, F.E.S.) On ATTRACTION and REPULSION resulting from RADIATION 

 (from Phil. Trans. Roy. Soc..), with plates and ivoodcuts, COMPLETE in 6 parts in 1 vol. roy. 4to. 

 d. (SCARCE), 1. Is 1873-8 



The first account of the author's invention of the Radiometer, and establishing his theory of radiant matter. 



903 , PARTS 2-4, and 6 ; with the following PAPERS : on THALLIUM [discovered by the author}, 



'63: RESEARCHES on the ATOMIC WEIGHT of THALLIUM, 4 plates, '72: On the ILLUMINA- 

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 HIGH EXHAUSTIONS, plate, woodcuts, and 3 folding charts, '81 : CONTRIBUTIONS to MOLECULAR 

 PHYSICS in HIGH VACUA, woodcuts, '79: On RADIANT MATTER SPECTROSCOPE, coloured plate 

 and woodcuts, '83 : On the SUPPOSED 'NEW FORCE' of J. THORE, ivoodcuts, '87 -in 1 vol. 4to. 

 buckram, 1. 5s 1863-87 



904 . PRACTICAL HANDBOOK of DYEING and CALICO-PRINTING, with 11 plates, 47 specimens of 



dtied and printed fabrics, and 38 woodcuts, thick 8vo. cl. (out of print), 15s (p. 2. 2s) 1874 



One of the best text-books on the subject. 



905 SELECT METHODS in CHEMICAL ANALYSIS (chiefly Inorganic), THIRD [LAST] ED., rewritten 



and enlarged, woodcuts, thick 8vo. cl., 14s (p. 1. Is nett) 1894 



906 , and Ernst BOHBIG : PRACTICAL TREATISE on METALLURGY, adapted from the last 



German Edition of PROF. KERL'S METALLURGY, with 625 woodcuts, 3 thick vols. 8vo. cL, uncut 

 (scarce), 2. 2s (p. 4. 19s) 1868-70 



907 VOL. II ONLY : COPPER and IRON, with 273 woodcuts, thick 8vo. cL, 15s (p. 1. 16s) 1869 



: v. MITCHELL, and WAGNER, post. 



903 CROSS (C. F.) The INDUSTRIAL USES of CELLULOSE (Cantor Lectures), roy. 8vo. sewn, Is 1897 



909 CBOSSLEY (Edward), Joseph GLEDHILL, and James Maurice WILSON, Canon of 

 Worcester, FF.R.A.S.: HANDBOOK of DOUBLE STARS, with CATALOGUE of 1200 DOUBLE STARS and 

 extensive Lists of Measures, and additional Notes bringing the Measures up to 1879, for the Use 

 of Amateurs, with plates and diagrams, 8vo. cL, t. e. g. (scarce], 17s Qd 1879 



The only handbook on the subject. ' There does not exist any work which gives information sufficiently detailed to be 

 nf value to any one who seriously takes up this study. He must hunt through scores and hundreds of volumes if he 

 wishes to get an accurate and complete list of the previous measures of any particular double star.' Preface. 



910 CBOUSAZ (Jean Pierre de) COMMENTAIRE sur 1' ANALYSE des INFINIMENTS PETITS ; with 

 4 plates, 4to. t fine copy in old calf gilt, with bookplate of Philip 2nd Earl Stanhope, F.R.S., 5s 1721 



911 REFLEXIONS sur 1'UTILITE des MATHEMATIQUES, et sur la Maniere de les etudier; front. 



16mo. old calf, with Lord Stanhope's bookplate, 3s Amsterdam, 1715 



912 TRAITE de I'ALGEBRE ; with plates, sin. 8vo. nice copy in old calf, with Lord Stanhope's 



bookplate, 3s 6cl 1726 



913 GUMMING (Alex., F.R.S.) The ELEMENTS of CLOCK and WATCH-WORK, adapted to Practice, 

 with 16 large copperplates, 4to. hf. bound, 10s Qd 1766 



One of the best old treatises on the subject. 



914 OBSERVATIONS on the EFFECTS which CARRIAGE WHEELS, with Rims of different Shapes, 



have on the ROADS, with plate, 4to. sewn, with long author's inscr. to Charles 3rd Earl Stanhope, 

 F.R.S., 5s 1799 



Advocating the use of cylindrical wheel rims, instead of ' tapering rims now universally used '. 



915 GUMMING- (James, F.R.S.) MANUAL of ELECTRO DYNAMICS, chiefly translated from the 

 ' Manuel d'Electricite dynamique ' of J. F. DEMONFERRAND, with Notes and Additions, compre- 

 hending the LATEST DISCOVERIES and IMPROVEMENTS, with 7 folding plates, 8vo. boards, uncut, 

 10s Qd Cambridge, 1827 



'He constructed most delicate telescopes, and made important modifications and simplifications of electrical methods. 

 He was the first to show, that when the temperature of one junction of certain thermo-electric circuits was gradually 

 raised, the current gradually rose to a maximum, then fell off, and finally was reversed at a red heat .' G. T. Bdtany. 



916 GUMMING (Linnaeus) INTRODUCTION to the THEORY of ELECTRICITY, with numerous Exam- 

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917 - SECOND EDITION, with Corrections and Additions, diagrams, post 8vo. cl., 4s (p. 8s Qd) 1879 



918 - THIRD EDITION, with Corrections and Additions, diagrams, post 8vo. cl. (cover stained), 4s 

 (p. 8s Qd) 1885 



919 CURIOSITIES in CHYMISTRY : being NEW EXPERIMENTS and OBSERVATIONS concerning the 

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 Operator, H. G., 12mo. fine copy in hf. morocco neat (rare], 15* 1691 



By way of variety from the then prevailing phlogistic theory, the anonymous author originates a still more peculiar theory 

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 pretended Hypostatical Principles are ultimate and reducible into mere Elementary Water'. 



920 CUBLE (J. H.) The GOLD MINES of the WORLD, numerous plates and plans, 4to. cl, Ss Qd 

 (p. 16s nejit) 1899 



A valuable work which should be read by every investor before risking his neck in the Kaffir Circus. 



921 CUTHBEBTSON (Francis) EUCLIDIAN GEOMETRY, with numerous illustrations, post 8vo. cl., 

 2s Qd 1874 



922 CUVIEB (Leopold Christian Frederic Dagobsrt [postea Georges] Baron) ESSAY on the 

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 Additions, 6 plates, 8vo. boards, uncut, Qs Eclin., 1822 



923 - RAPPORT HISTORIQUE snr les PROGRES des SCIENCES NATURELLES depnis 1789, et snr 

 lenr Etat nature!, nouvelle Ed., 8vo. sewn, 3s 1828 



924 - ANOTHER COPY, hf. cl., with Prof. Williamson's auto., 3s Qd 1827 



