HENKY SOTHERAN & oo., uo, STRAND, w.o., AND 37, PICCADILLY, w. 55 



1058 DIDION (General Isidore) TRAITE de BALISTIQUE, 2e Ed., augumentee ; with 6 folding 

 plates, 8vo. hf. calf (stamp on title] ; scarce, 6s 6d 1860 



1059 DILLAYE (Frederic) PRINCIPES et PRATIQUE d'ART en PHOTOGRAPHIE : le Paysage : with 

 66 illustrations, roy. 8vo. sewn, 2s 6d 1899 



1060 DIL WORTH (Thomas) MISCELLANEOUS ARITHMETIC : or a full Account of the NEW 

 CALENDAR ; with the several Uses of the Logarithms, and of Multiplication and Division by Mony 

 [sic], etc., first edition, with portrait, large 12mo. sound copy in the original sheep (rare), 15s 1766 



' This work is but little known '. Prof, de Morgan, who did not know the above edition, the earliest mentioned being 

 one of 1773. Chapters 6 and 7 treat of Observations on the ' Weather, Enigmatical Writing, with the Character of a good 

 Christian, set forth in 20 Paradoxes, with their Solution ; and an Essay concerning the Education of Children '. Pp. 207-25 

 contain curious Arithmetical Poetry. 



1031 DIOGENES LAERTIUS : De Vms, Decretis et Responsis celebrium PHILOSOPHORUM Libri, 

 nunc primum excusi [Greece] ; editio princeps, cr. 4tp. old smooth green morocco extra, g.e., with 

 Syston Park bookplate (FINE COPY), with Harrow Leaving Inscr. from Henry Drury to Reginald 

 Merivale, 1. 5s Basilece, H. Frobenius, 153,3 



' Containing a great mass of interesting information regarding the private lives and habits of the most eminent 

 philosophers of antiquity '. 



1062 DIOPHANTI Alexandrini ARITHMETICORUM Libri VI, necon de NUMERIS MULTANGULIS, 

 nunc primiim Gro?ce et Latine editi, atque absolutissimis Commentariis illustrati, auct. CLAUDIO 

 GASP. BACHETO, folio, old calf, with bookplate of Philip 2nd Earl Stanhope, F.R.S.,l.ls Parisiis, 1621 



FIRST EDITION, in any language, of the earliest extant treatise on Algebra. 



1033 EDITIO NOVA, cum Commentariis C. G. BACHETI, et Observationibus P. DE FERMAT ; 



accessit DOCTRINE ANALYTIC^ inventum novum, collectum ex variis eiusdeni DE FERMAT 

 Epis tolis ; with vignettes and diagrams, roy. folio, LARGE PAPER ; old stamped vellum (stamp on 

 title, otherwise a FINE COPY), 2. 2s Toloscv, 1670 



A RARE AND ESTEEMED EDITION, first containing Pierre de Fermat's discoveries on the theory of numbers (' de maximis 

 et minimis ') the first step in the invention of the infinitesimal calculus. 



1064 DIRCKS (Henry, C.E.; inventor of Pepper's Ghost) PERPETUUM MOBILE; or Search for Self- 

 Motive Power, Cents. XVII. -XIX., from various Authentic Sources, in Papers, Essays, Letters, 

 Paragraphs, and numerous Patent Specifications, with Introductory Essay, numerous woodcuts, 

 post 8vo. cl. (VERY SCARCE), 1. Is 1861 



The only work that has ever been published on this still existing craze, containing inter alia all machines on the 

 supposed perpetual motion principle registered at the Patent Office. 



v. WORCESTER (Marquess of), 



1065 DITTMAR (William, F.R.S.) CHEMICAL ARITHMETIC, Parti : Tables, Mathematical, Chemical 

 and Physical, for the Use of Chemists and others, 8vo. cl., 3s 6d (p. 6s nett) Glasgow, 1890 



10G6 DITTON (Humphry) INSTITUTION of FLUXIONS, containing the First Principles, the Operations, 

 with its Uses and Applications, 2nd Ed. by JOHN CLARKE, D. D. , 8vo. contemporary calf gilt, 6s 1726 



1067 DIVERSES OUVBAGES de MATHEMATIQUE et de PHYSIQUE par Messieurs de 1'ACADEMIE 



ROYALE des SCIENCES ; with numerous diagrams, folio, LARGE PAPER ; contemporary French 



mottled calf gilt, with arms in gold on sides (FINE COPY), with bookplate of Philip 2nd Earl 



Stanhope, F.R.S. , 1. 15s Imprimerie Royale, 1693 



Containing valuable pieces by DE FBENICLE, DE ROBERVAL, HUYGENS, AUZOUT, and MARIOTTE. 



1063 DIXON (Alfred Cardew) The ELEMENTARY PROPERTIES of the ELLIPTIC FUNCTIONS, 

 diagrams, post 8vo. cl., 3s 1S94 



1069 DODGSON (Charles Lutwidge, pr. ; author of ( Alice in Wonderland') SYLLABUS of PLANE 

 ALGEBRAICAL GEOMETRY, Part I (all pub.) : POINTS, RIGHT LINES, RECTILINEAR FIGURES, 

 PENCILS, and CIRCLES, with diagrams, large 8vo. cl., WITH INSCR. 'FROM THE AUTHOR', 4* 



Oxford, 1860 



1070 DODSON (James, F.R.S.) The ANTI-LOGARITHMIC CANON : a Table of Numbers of 11 Places 

 of Figures, corresponding to all Logarithms under 100,000, with INTRODUCTION on LOGARITHMS, 

 the Improvements, since their Invention, in the Manner of Constructing them, folio, old calf, Joints 

 cracked (VERY RARE), 1. 10s apud auctorem, 1742 



'The only considerable work of this kind published ... A very great performance.' Hutton. 'His most important 

 work . . . This was unique until 1849. The canon had been actually calculated, it is asserted, by Walter Warner and John 

 Pell, about 1630-40.' D.N.B. The author was Master of the Mathematical School of Christ's Hospital, and, with Edward 

 Rowe Mores, one of the Founders of the Equitable Life Assurance Society, for which he compiled many of its tables. He 

 was also the great-grandfather of AUGUSTUS DE MORGAN. 



1071 The MATHEMATICAL REPOSITORY, containing ANALYTICAL SOLUTIONS of 500 Questions, 



mostly selected from Scarce and Valuable Authors, designed to conduct Beginners [Vol. I], sm. 

 8vo. old calf, 5s 1748 



According to W. W. R. Ball, the author originated the theory of annuities as a branch of mathematics. 



1072 DOLBEAR (Amos Emerson) MATTER, ETHER, and MOTION : the Factors and Relations of 

 Physical Science, woodcuts, post 8vo. cl., 5s (p. 10s 6d) 1892 



1073 DOLLOND (George, F.R.S.) ACCOUNT of a CONCAVE ACHROMATIC GLASS LENS, as adapted to 

 the Wired Micrometer when applied to a Telescope, which has the property of increasing the Mag- 

 nifying Power of the Telescope without increasing the Diameter of the Micrometer Wires, 4to. 

 (pp. 7), sewn, 3s 6d 1834 



' Describing a skilful application of Barlow's concave lens to the micrometer, specially designed to meet Dawes's needs 

 in double-star measurement, and highly approved by him.' Miss A. M. Clerke. 



1074 DONALDSON (John) The GEOLOGICAL STAIRCASE, numerous coloured illustrations of Ore- 

 Deposits, etc., post 8vo. cl., 3s 6d 1855 



1075 DONKIN (William Fishburn, F.R.S.) ACOUSTICS; Theoretical, Part I (all pub.), diagrams, 

 cr. 8vo. cl. (back torn), 3s (p. 7s 6d) Clarendon Press, Oxford, 1870 



' Devoted to an enquiry into the vibrations of strings and rods, and giving evidence on every page of the combined 

 musical and mathematical talents of the author.' Prqf. W. J. Harrison. 



