(>68 HENRY SOTHERAN & CO., 140, STRAND, W .C., AND 43, PICCADILLY, W 



13348 PINGED (Alexandre Guy, Chanoine Regulier de Ste.-Genevieve ; Chancelier de I' Universitc 

 de Paris ; de r Academic des Sciences) COMETOGRAPHIE, ou Traite historique et theorique des 

 Cometes ; with 7 copperplates, 2 vols. 4to. old French mottled calf extra (top of back slightly 

 damaged] ; RARE, 1. 10s Imprimerie Royale, 1783-4 



13349 ANOTHER COPY, 2 vols. boards, uncut (very sound and clean copy), 1. 10s 



' The most complete historical and general treatise on comets which has appeared.' Prof. Neivcomb. 



1 His celebrated CometograpMe, which for the industry and labour bestowed on it has few equals, has been from the 

 period of its publication down to the present day the astronomer's text-book on the subject of cometary history : it has 

 never been superseded, and is never likely to be, though supplementary matter has of course been accumulated.' 

 Chambers' s Handbook, of Astronomy (1889). 



13350 PINTO d'ALMEIDA (A. J.) PRINCIPIOS de GEOLOGIA ; with 2 diagrams, 4to. hf. bound, with 

 Sandhurst College bookplate, 4s Coimbra, 1838 



13351 PIOBERT (Gen. Guillaume ; de VInstitut) COURS d'ARTiLLERiE ; PARTIE THEORIQUE, 

 redigee d'apres ses Cahiers et ses Lecons par MM. DIDION et DE SAULCY ; lithographed on 418 

 pp. from the MS., with numerous illustrations, cr. 4to. hf. calf, 5s 1841 



13352 ; , et A. L. TARDY : EXPERIENCES sur les ROUES HYDRAULIQUES a AXE VERTICAL, et 



sur 1'Ecoulement de 1'Eau dans les Coursiers et dans les Bases de Forme Pyramidale ; with 4 

 folding plates, 4to.(pp. 40), sewn, 5s Qd 1840 



' Les experiences rapportees dans le present ouvrage offrent un des premiers exemples de 1'emploi du frein [Prony, 

 r. No. 13731, post] a la mesure de 1'effet utile transmis par les machines.' Avant-propo*. 



13353 PIOLA (Gabrio) Sull'AppLiCAZiONE de'PRiNCiPJ dellaMECCANiCA ANALiTiCAdi LAGRANGE 

 ai principali PROBLEMI, roy. 4to. boards, uncut, Is Qd Imp. Regia Stamperia, Milano, 1825 



' Lo scopo di questa memoria e di trovare una nuova dimostrazione delle equazioni general! dell' equilibrio et del moto 

 date nella meccanica analitica. Lagrange servendosi del solo assioma o principle delle velociti'i virtuali. . . . L'autore 

 ricorre a un nuovo metodo che la qualche rassomiglianza con quello usitato due secoli da Bonaventura Cavalieri nella sua 

 geometria degl' indivisibili, e che propriamente chiamasi metodo dei limiti.' Ruppvrtn. 



13354 PIRIE (George, Prof. Math., Aberdeen) LESSONS on RIGID DYNAMICS, with diagrams, cr. 8vo. 

 cl., 3s (p. 6*) 1875 



13355 PISANI (Felix) ANALYSE de la FIBROFERRITE de PALLIERES (Gard) : Sur quelques 

 NOUVEAUX MlNERAUX du CORNOUAILLES, 4to. (pp. 4), sewn, Is Qd 1864 



13356 DESCRIPTION d ? un APPAREIL servant a la RECHERCHE de plusieurs ACIDES ; with plate, 



8vo. (pp. 3), sewn, Is [c. 1860] 



13357 ETUDE CHIMIQUE et ANALYSE de I'AEROLITHE d'ORGUEiL, 4to. (pp. 4), sewn, 



Is Qd , 1864 



13358 ETUDE CHIMIQUE et ANALYSE du POLLUX de 1'ile d'ELBE, 4to. (pp. 3), teicn, IsQd 1864 



NOTICES MINERALOGIQUES, 4to. (pp. 4), sewn, Is Qd 1876 



13360 Sur le GRENAT OcTAEDRiQUB.de rile d'ELBE, 4to. (pp. 2), sewn, Is Qd s. d. 



13361 Sur les MINERAUX trouve"s dans la MINE de CUIVRE du CAP GARONNE (Var), 4to. 



(pp. 4), sewn, Is Qd 1870 



13362 Sur une NOUVELLE ESPECE MINERALS du CORNOUAILLES, la DEVILLINE, 4 to. (pp. 2), 



sewn, Is Qd 1864 



1 3363 Sur la SEPARATION de 1'AciDE TITANIQUE et de la ZIRCONE, 4to. (pp. 4), sewn, Is Qd 1864 



13364 Sur un SILICATE de BARYTE CRISTALLISE, obtenu artificiellement, 4to. (pp. 3), sewn, 



Is Qd 1876 



13365 Sur un SuLFO-ANTiMONiURE de PLOMB trouve a ARNSBERG (Westpbalie), 4to. (pp. 3), 



sewn, Is Qd 1876 



13366 TRAITE ELKMENTAIRE de MINERALOGIE, precede d'une Preface par ALFRED DES 



CLOIZEAUX ; with 184 woodcuts, post 8vo. hf. calf gilt (o. p.), 4s (p. F. 8 nett sewn) 1875 



' M. Pisani a rendu un veritable service aux mineralogistes en reunissant toutes les especea minerales bien determinees 



aujourd'hui par leurs caracteres cristallographiques, optiques et chimiques.' A. des Cloizeaux, de I'lnxtitv.t. 



13367 PISATI (G., Univ. Rome) Su la DILATAZIONE, la CAPILLARITA e la VISCOSITA del SOLFO 

 Fuso ; with plate, roy. 4to. (pp. 6), sewn, 2s [Roma, 1877] 



13368 , ed E. PUCCI : Sulla LUNGHEZZA del PENDOLO a SECONDI ; with 4 plates, 4to. (pp. 



178), sewn, with author's inscr., 4s ibidem, 1883 



13369 - , e C. SAPORITO : RICERCHE SPERIMENTALI sulla TENACITA dei METALLI a diverse 

 Temperature ; with plate, 4to. (pp. 16), sewn, \s Qd [ib-,] 1877 



PITATI (Pietro, da Verona) VER.E SOLARIS atque LUNARIS ANNI QUANTITATIS . . . 

 EXPLICATIO (1568) v. PICCOLOMINI, No. 13299, ante. 



13370 PITISCUS (Bartholomaeus) TRIGONOMETRIC sive de Dimensione Triangulor[um] Libri V, 

 item Problematum varioru, nempe Geodfeticorum, Altimetricorum, Geographicorum, Gnomoni- 

 corum, et Astronomicorum Libri X, Editio III., cui recens accessit Problenfatum Architect- 

 onicorum Liber unus; with engraved title and numerous diagrams: CANON TRIANGULORUM 

 emendatissimus, et ad Usum accommodatissimus, pertinens ad Trigonometriam 2 vols. sm. 4to. 

 in 1, FINE COPIES in old English calf, with bookplate of the Duke of Sussex (RARE), 2. 2s 



Francofurti, N. Hofmann, 161'2 

 The last edition of the first complete text-book of trigonometry. ' It contains the expressions for sin (AB and cos 



(AB) in terms of the trigonometrical ratios of A and B.' W. W. R. Ball. 



' Both very scarce. Brunet mentions only the first edition (containing solely ten Books of Problemata), as printed in 



1600 at Augsburg. The third improved edition was totally unknown to him, as was also the Canon, which is not 



mentioned by Lalande, and is even rarer than the celebrated ' Thesaurus Mathematicus', published by the same author 



in 1613.' Libri Catalogue. 



13371 PLAATS (J. D. van der ; Utrecht] DETERMINATION de quelques POIDS ATOMIQUES, 4to. 

 (pp. 4), sewn, \L Qd [1885] 



13372 - ESSAI de CALCUL des POIDS ATOMIQUES de M. STAS, 8vo. (pp. 34), sewn, Is Qd 1886 



13373 Sur les POIDS ATOMIQUES de STAS, 4to. (pp. 6), seu-n, Is Qd [1893] 



