IIENIIY SOTilEllAN & CO.. 140, STRAND, W.C, and 37. PICCADILLY, W. 119 



2363 LACROIX (Sylvestre Fran9ois) Traite Klkmentairk du Calcul des Probalites, 

 3*^ Ed., corrij^ee ; with plate, 8vo.,sewn, 2s 1833 



2364 Quatrieme [derniere] Edition ; with folding plate, 8vo. hf. calf gilt {nice copy). As 18G4 



236.5 Traite Elementaire de Trigonometrie Kectiligne et Splierique, et d'Application de 



I'Algebre a la Geometrie, 9^ Ed, ; with 5 plates, 8vo. hf. calf, 2s 1837 



2336 Onzieme [derniere] Edition, revue et corrigee ; tvith 5 j^^ntes, 8vo. hf. brown morocco 



neat {uniform with N^os. 23.54 and 2356 >, Ss Qd 1863 



2367 Le Meme, premiere edition, an VII ('99) : EssAis de Geometrie sur les Plans et les 



Surfaces Courbes, premiere edition, '9o: Traite Elementaire de Statique, par Gaspar. 



Monga, 30 Ed., a« K// ('99)— 3 vols. 8vo. in 1, with iilatcs, old calf {rare), with bookplate of 



Richard Congreve {Positivist), \0s 6d 1795-9 



The second work is especially iiit' 1 >tiii-r as containing Monge's invention of descriptive geometry, worked out by the 



author independently of the former. 



2.368 LATAH (Franz) Teciinische Mvkologie : ein Handbuch der Garungsphysiologie, mit Vorwort 

 von Emil Christian Hansen, Bd. I : Schizomyceten-Garungen ; with plate and 90 woodcuts^ 

 roy. 8vo. sewn, iinciit {out of 2>rint), \2s Qd ' Jena, 1897 



2369 LAG[ARENNEJ (Vicomte T[aillepiedj de) Domitor [Le Dompteur de I'AiR]: Aerostat 



Dirigeable : Objet d'une Deniande de Brevet ; with 3 lithographic jjlates (2 of the * Domitor ', 



and 1 of the ' Aerotdre), roy. 8vo. (pp. 28), sewn {scarce), \0s 6d 1852 



An interesting account of two ' navigable balloons, one of an oval form and the other resembling that of a ship, which 



in both cases are directed by i)arachutes, serving for a rudder in one case, and in the other for a sail. 



The work was unknown to Hatton Tumor, and must be very rare, as well as one more instance of the cravini,' of the 

 French aristocracy for the ileniier cri de la vie sportive. 



2.370 LAGNY (Thomas Fantet de ; f.r.s.) Analyse G6nerale, ou M^tiiodes Nouvelles pour 

 resoudre les 1*R0BLEMES de tons les Genres et de tons les Degrez h I'lNFlNl, 4to. old calf gilt {fine 

 cop!/), tvith bookplate of Philip 2nd Earl Stanhope, F.B.S., and numerous MS. additions BY HIM, 

 I0s(id , 1733 



•_';i71 NouvEAUX El^menS d'ARlTHMETlQUEet d'ALCkBRE, OU Introduction aux Mathdmatiques, 



12nio. old calf gilt, with bookplate of Philip 2nd Earl Stanhope, F.R.S. , 6s 1697 



'" Renfermant quelques considerations origiuales sur les numerations.'— /i/or^r. G^n. 



' 72 LA GOURNERIE (Jules de) Traitf: de Geometrie Descriptive, 2o Ed., 3 vols.: Atlas; 



irith 150 plates, 3 vols.— 6 vols. 4to. in 2, hf. morocco gilt, lis (p. F. 30. unbound) 1873-85 



j;;73 Vols. 1 and II only (Vol. II 1st Ed.), with Atlas, containing 104 plates, 2 vols. 4to. 



boards. Is 1873-62 



2374 [LAGRANGE (Joseph Louis Comte)] Lecons sur le Calcul des Fonctions, nouvelle Ed., 



revue et augnientee par I'Auteur, 8vo. hf calf {binding broken), 3* Qd 1806 



' In this work he gives his theorem on the limits of Taylor's Theorem.'— Pro/. CajoH. 



2375 Lectures on Elementary Mathematics, trans, [with Memoir] by Thomas Joseph 



McCoRMACK, portrait, post 8vo. cl., Ss 6d (p. 5^ nett) Chicago, 1898 



J376 Mecanique Analytique, nouvelle (2^) Ed., revue et augment^e par I'Auteur, 2 vols. 



4to. in 1, old hf calf, I2s 6d 1811-15 



■2:111 Another Copy, 2 vols. 4to. old hf. calf, lulth Sandhurst College bookplate, and inscr. as 



below, \Qs 



'Given to the Duke of Gloucester at Paris by Prince Taleyrand [sic] Febr. 1S19.'— J/isc/-. on flyleaf of v. I. 



^g378 Troisieme Edition, revue, corrigee et annot^e par J. Bertrand, 2 vols. 4to. in 1, hf. 



ccdf gilt, £1. Is 1853-5 



' His great work in which he lays down the law of virtual work, and from that one fundamental principle, by the aiil of 

 the calculus of variations, deduces the wliole of mechanics, both of .solids and licjuid-s.'— IF. IV. R. HaV. 

 'A kind of scientific poom'.— .S7r W. R. Hamilton. 



':?79 [Traite] de la Resolution des Equations Numi<;riques de tons les Degres, premiere 



edition, 4to. old calf, with auto, inscription ' de la part de I'Auteur ' on flyleaf, \0s 



An VI [1798] 



•J180 Nouvelle [2^] Edition, revue et augment^e par I'Auteur, 4to. old hf. calf, ivith Sand- 



hur.Hl College bookplate, AND IN.SCR. AS ON No. 2377, 7* Qd 1808 



' In this he gives the method of approximating to the real roots of an equation by means of cniitinued fractions, aiwl 

 enunciates several other theorems.' — IK. W. R. Ball. 



2,3Sl Theorie des FONCTIONS Analytiques, contenant les Prineipes du Calcul diff^rentiel, 



degagds de toute consideration d'intiniment petits, d'evanouissans,,de liniites et de Huxions, et 

 rcMluits i\ I'analyse algcjbrique des quantites tinies, nouvelle [2^] ^A., revue et augnientee par 

 I'Auteur, 4to. old hf calf loith Sandhurst College bookplate, AND iNSCR. AS ABOVE, (is Qd 1813 

 'The object of this work is to substitute for the differential calculus a group of theorems baswl on the development of 

 algebraic functions in .series'. — IF. IF. R. Rail. 



2332 LA HIRE (Philippe de) La Gnomonique, ou M6thodes Universelles pour Tracer des 

 HORLOGES 80LAIRES ou Cadrans sur toutes Sortes de Surfaces ; with Q plates, 18ino. old calf 

 gilt {nice copy) ; RARE, with Lord Stanhope's bookplate, £1. Is 1698 



' Livre vrainient nouveau, qui porte I'empreinte des theories geometriques de son auteur, et oii toutes les question.s 

 sont resolues graphiquement, sans le concoius de la trigonometrie meme rectiligne et par I'unique eniploi de la regie du 

 compas et du 111 a plomb'. — Biogr. Gen. 



2383 Memoires de Mathematique et de Physique, contenant un Traiti^ des Epicycloide-s, 



et de leurs Usages dans les Mechanique.s ; I'Explication des principaux Effets de la Glace et du 

 Froid ; Dissertation des Differences des Sons de la Corde de la Trompette Marine ; et 

 Traite des differens Accidens de la VCe ; unth woodcuts and numerous diagrams, 4to. old calf 

 {back slightly damaged) ; RARE, £1. Is Imprimerie Royale, 1694 



Including the author's valuable treatise on epicycloids, an<l their application to mechanics, chiefly founded on the 

 teaching of Dcsargxies. The second treatise contains an investigation on the thermometer. 



