HENRY SOTHERAN & CO., 140. STRAND, W.C.. and 37, PICCADILLY, W. 43 



823 CLERKE (Agnes Mary) Popular History of Astronomy during the XIX. Century, 8vo. 



cL, 45 (p. 12s 6f/) Eclin., 1885 



8*24 Third Edition [gi*eatly enlarged], with photo-front. ^ vignette^ and o plates, thick 8vo. c/., 



6* 6rf (p. 12s My 1893 



The best liistory of Modern Astronomy. 



825 The System of the Stars, with 6 plates and 50 woodcuts, 8vo. cl. {out of 2)riiU), 12s Qd 



(p. £1. Is) 1890 



An excftllent ix)pular treatise on Sidereal A.stronoiny. 



82G CLIFFORD (William Kingdon, f.r.s.) Elements of Dynamic: an Introduction to the Study 



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slightlji damaged), 3s Qd (p. 7s Qd) 1878 



In tliis work, which was never coniplett'd, the author first introduced the graphical and geonietrical methods of MSbius, 



Culuiann, etr., as applicable to elementary mathematics. 



827 Lecturks and Essays, ed. hy Sir Leslie Stephen and Sir Frederick Pollock, with 



Intro. [hiograj)hical and bihlioy:raphicalJ by the latter. Library EDITION, with 2 portraits, 2 vols. 

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828 CLOCKMAKERS' COMPANY of the City of London, Some Account of the, compiled 

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Including biographies of celebi-ated members, an .icconnt of old patents granted and in» ontions, etc. etc. 



«29 , Charter and Bye Laws of the, incorporated 1031, 7th Charles Int, front, of Arms, 



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830 CLOIZEAUX (Alfred des) Manuel de Mineralogie, Tomes I et II, pr fjiscicule ; with 45 plates, 

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831 COCKER (Edward) Arithmetic : a plain and familiar method, suitable to the meanest Capacity, 

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832 Decimal Arithmetic, with Tables of Interest and Rebate .... his Artificial Arith- 

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833 Fourth Edition, with diagrams, 12mo. contemporary sheep {fine old copy), 10s 6c? 1713 



Both the above works were supposed by Prof, de Morgan to be foigerie8,'a view however since discredited. The latter 



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834 CODDINGTON (Henry, f.r.s.) Elementary Treatise on Optics, 2nd Ed.,w?7/i ^folding 

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835 Treatise on the Keflexion and Refraction of Light, tcith ]0 folding plates, Svo.hf calf 



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' Coiit.iliiini,' a very comi)lptc investigation of the paths of reflected aiul refmcted rays.' — EaOcm. 



836 COEHOORN (Menno Jonkheer van) Nouvelle Fortification, repr(5sent6e en iroismanieres, 

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The author's most important work, originating wholly new principles in fortidcation. 



837 COGGESHALL (Henry) The Art of Practical Measuring, easily perform'd, by a Two-Foot 

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838 Seventh Edition, carefully corrected, ivith folding plates, 12nu). sound copy in contemp- 

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839 COLBURN (Zerah ; founder of ' Engineering ') Steam Boiler Explosions, 8vo. .sewn, IsQd 1860 



810 COLE (Grenville Arthur James) Aids to Practical Geology, 2nd Ed., 136 illustrations, 8vo. 



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841 COLE (Reginald Sorre) Treatise on Photographic Optics, 104 illustrations, cr. 8vo. cl., 

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842 COLENSO (John William, Bp. of Natal) The Elements of Algerra, 2 vols. fcap. 8vo. boards, 

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843 COLLIER (John, Teacher of the Mathematicks to the gentlemen Vohtniiers in 11. N.) Com- 

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814 COLLIGNON (Edouard) Traite de MECANKiUE, loPartie: ClN^M.\TlQUE ; with SS8 ill u.9- 

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845 COLLINI (Cosimo Alessandro ; Voltaire's Secretary) Journal d'un VOYAGE, qui contient 

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