HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 379 



7414 DUPIN (Charles Baron; tie Vlnstilut) APPLICATIONS do GKOMICTPJE et MKCIIANIQUE, u la 



MARINE, aux Fonts et Chaussees, etc., pour faire Suite aux Developpements de Geometric ; with 



\1 folding copperplates, 4to. old calf (joints cracked), with AUTHOR'S INSCR. to Peter Barlow, F.R.S., 



as below, and the lattcr's booklabel, 6$ 1822 



' From the author to his friend Professor P. Barlow. CH. DUPIN.' Inscr. on flyleaf. 



7415 GEOMETRIE et MECANIQUE des ARTS et METIERS et des BEAUX-ARTS ; with numerous 



folding plates, 3 vols. 8vo. hf. calf, 5s Bruxelles, 1825-6 



7416 _ _ RAPPORT sur les ARTS de la MARINE et de la GUERRE, fait a la Commission Fran^aise du 

 Jury International de 1'Exposition Universelle de Londres ; ivith 5 folding tables, 8vo. hf. morocco 

 (title stamped), 6s Qd Imprimerie Imperiale, 1855 



' From the Author to Lieut. GI. Sir John Burgoyne. B. C. DUPIN.' 7vi.<?cr. pasted on flyleaf. 



7417 DTJRAN (Jean Alexandra, de Bordeaux) REVELATION SCIENTIFIQUE : DIEU a J.-A. DURAN ; 

 suivie d'un Catechisme Physique, Metaphysique, Theologique, et Moral, roy. 8vo. (pp. 344), sewn 

 (scarce), 7s Qd Bordeaux, 1847 



An extraordinary production, apparently unknown to Prof, de Morgan, in which the author in the role of prophet 

 ' reveals ' a novel basis of ' universal science '. 



7418 DURAND-CLAYE (Charles Leon), et Leopold MARX : ROUTES et CHEMINS VICINAUX: 

 Trace", Redaction des Projets, Construction, Entretien ; with numerous woodcuts and diagrams, 

 roy. 8vo. hf. morocco neat, 8s Qd (p. F. 25 nett sewn) 1885 



7419 DUREGE (Heinrich, Univ. Prague) TIIEORIE der ELLIPTISCHEN FUNCTIONEN ; 2. Auflage ; 

 with 32 diagrams: ELEMENTS der THEORIE der FUNCTIONEN, einer COMPLEXEN VERANDER- 

 LICHEN GRtisSE, mit besonderer Beriicksichtigung der Schopfungen RlEM ANN'S, 2 umgearbeitete 

 Auflage ; with 62 diagrams -2 vols. 8vo. in 1, hf. calf, with auto, and bookstamp of Prof. If. W. 

 LI. Tanner, F.E.S., 4* Leipzig, 1868-73 



7420 DURER (Albrecht) INSTITUTIONUM GEOMETRICARUM Libri IV, in quibus Lineas, Superficies, 

 et Solida Corpora ita tractavit, ut non Matheseos solum Studiosis, sed et Pictoribus, etc. sint 

 sum me utiles et necessarii, versi in Linguam Latinam, et nunc iterate editi; with numerous fine 

 woodcuts by ALBERT DURER, folio, old Italian vellum (some II. browned as usual, otherwise A FINE 

 AND TALL COPY) ; RARE, 2. 10s Arnhemice, 1605 



7421 ANOTHER COPY, old Dutch vellum (corners of some II. slightly stained, otherwise an 



UNUSUALLY FINE AND TALL COPY), 2. 15s 



'Albrecht Diirer ist der Erste der die Naherungskonstruktionen mit vollem Bewusstsein ausgefuhrt hat.' Prof. Cantor. 



7422 DUSUZEAU (J.) ECONOMIE NOUVELLE dans 1'^ LEV AGE des VERS A SOIE : Pratiques perfec- 

 tionne*es pour obtenirles Cocons a bon Marche ; with 3 plates, roy. 8vo. (pp. 30), sewn-, 2s Lyon, 1881 



7423 RAPPORT de la COMMISSION des SOIES sur ses Operations de 1'Annee 1882, impl. 8vo. 



sewn, 2s ib., 1883 



7424 DUTENS (Louis, F.R.S., Rector of Elsdon, Northumberland) ORIGINE des DECOUVERTES 

 ATTRIBUTES aux MoDERNES ; oil Ton demon tre que nos plus celebres Philosoplies ont puise* la 

 Plupart de leurs Connoissances dans les Ouvrages des,Anciens, et que plusieurs Verites sur la 

 Religion ont ete connues des Sages du Paganisme, 3 e Edition, considerablement augmente'e, 4to. 

 old tree-calf gilt, Is Qd Londres, 1796 



7425 - - Des PIERRES PRECIEUSES et des PIERRES FINES, avec les Moyens de les connpitre et de 

 les evaluer ; with copperplate, post 8vo. sewn, 4s ibidem, 1777 



7426 DYCK (Walther) GRUPPENTHEORETISCHE STUDIEN ; with 3 plates, 8vo. (pp. 44), sewn, 

 \s Qd Leipzig, 1882 



7427 DYE (Frederick) POPULAR ENGINEERING, with Chapters on PERPETUAL MOTION, and 

 Engineering Schools and Colleges, front, and 704 woodcuts, 4to. cl. gilt, 4s 1895 



7428 DYER (Alexander Brydie, U. S. Army) HANDBOOK for LIGHT ARTILLERY, with 135 woodcuts, 

 cr. 8vo. (pp. 522), cl., Qs Qd (p. 12s Qd nett) New York, 1898 



7429 DYER (Joseph Chessborough ; inventor, abolitionist, and free-trader) NOTES on HEAT, in 

 Relation to Atmospherical Phenomena, 8vo. (pp. 20), sewn, 3s 1856 



' To Thomas Hopkins Esq^. with the Author's best respects'. Inscr. on title. 



The author was an interesting personality. Born at Stonnington Point, Connecticut, he came to England to push 

 American inventions, especially in spinning machinery, and was joint-founder both of the ' North American Review ' and of 

 the ' Manchester Guardian.' 



7430 EARNSHAW (Samuel; pr., St. John's Coll., Cantab.) The DOCTRINE of GERMS, or the Inte- 

 gration of Certain Partial Differential Equations which occur in Mathematical Physics, 8vo. boards 

 (out of print), 3s Cambridge, 1881 



7431 DYNAMICS, or a Treatise on Motion, with short TREATISE on ATTRACTIONS, 3rd [last] 



Ed., revised, with diagrams, 8vo. boards, 3s ibidem, 1844 



7432 - PARTIAL DIFFERENTIAL EQUATIONS : an Essay towards an ENTIRELY NEW METHOD of 

 INTEGRATING them, cr. 8vo. cl., with auto, of Prof. H. W. LI. Tanner, F.R.S. (out' of print), 5s 1871 



7433 TREATISE on STATICS, containing the Theory of the Equilibrium of Forces, 3rd Edition, 



enlarged, with 5 folding plates, 8vo. boards, 3s Cambridge, 1845 



Professor Earnshaw was the first to tate up the treatment of solitary waves. 



7434 EASTMAN (John Robie, Prof. Mathematics, U.S.N.) REPORT on the DIFFERENCE of LONGI- 

 TUDE between the U.S. NAVAL OBSERVATORY and the SAYRE OBSERVATORY of Lehigh University, 

 ivith plate, 4to. (pp. 19), sewn, 2s Washington, 1878 



7435 - REPORT on the DIFFERENCE of LONGITUDE between Washington and Detroit, Mich. ; 

 Carlin, Nev.; and Austin, Nov., 4to. (pp. 22), sewn, 2s ibidem, 1874 



7430 - The SECOND WASHINGTON CATALOGUE of STARS, with the Annual Results upon which 

 it is based : the whole derived from Observations at the U.S. Naval Observatory with the 8-5 inch 

 Transit Circle, from 1866 to 1891, and reduced to the Epoch 1875 0, 4to. sewn, 8s Qd ib., 1898 



