1 



HENRY SOTHERAN & CO., 140, STRAND, W.C., and 43, PICCADILLY, W. 673 



13456 POINCARi: (Henri Jules, de VInstitut; f.r.s., brother of the President of the French 

 Republic) Calcul des Probabilites : Lerons professees pendant 1893-4, redigees par A. Qitiquet ; 

 with 19 diagrams^ roy. 8vo. sewn, As (p. F. 9 nett) , 1896 



13457 Electrite et Uptique, I. Les Theories de Maxwell, et la Theorie Electroniaf,'netique 



de la Lumiere. II. Les Theories de Helmholtz et les Experiences de Hertz ; n-ith 54 diagrams, 

 2 vols. roy. 8vo. in 1, hf. buckram, S^r 6rf 1890-1 



13458 Deuxieme [derniere] Edition, revue et completee par Jules Blondin et Eugene 



Neculcea ; with 62 diagrams, roy. 8vo. (pp. 651), hf. calf gilt, \Qs 1901 



13459 Sur un Theorems de M. Fuchs, roy. 4to. (pp. 32), sewn, Is 6c? Stockholm, 1885 



13460 POINSOT (Louis; de VInstitut) Elements de Statique, suivis d'un Menioire sur la Theorie 

 des Moiuens et des Aires, 4® Edition, revue par I'Auteur ; with 4 plates, 8vo. hf. calf {back 

 damaged), luith auto, of Judge Vernon Lushington [Posiiivist], 2s Qd 1824 



13461 HuiTiEME Edition, auj,mientee, suivie de Quatre Memoires; with 4 folding plates 



comprising 91 diagrams, 8vo. boards, uncut, 4s 6d ' 1842 



13462 Another Copy, having the diagrams 2}(^sted to the passages they belong to, hf. calf 



gilt, 5s 6d 



Best EoiTiox, well printed in large type. The mriaolres comprise : 8ur la Composition des Moments et des Aires ; sur 

 le Plan invariable du Systorae du Monde ; sur la Theorie generale de I'Equilibre et du Mouvement des Cysteines ; sur uue 

 Theorie nouvelle de la Rotation des Corps. 



13463 DixiEME Edition, suivie de Quatre Memoires ; with 4 plates, Svo. sewn, uncut, 4s 6d 1861 



'This work is remarkable not only as being the earliest introduction to synthetic mechanics, but also as containing for 

 the first time the idea of couples.'— Pro/. Cajori. 



13464 DouziE.ME Edition, pr^cedee d'une Notice par J. Bertrand, de I'lnstitut ; with 4 



folding plates, Svo. hf. calf gUt (o. p.), 5s 1877 



This edition does not contain the Mel/loin's, but has Bertrand's Life of the author. ' La statique de Poinsot est. sous 

 une infinite de rapports, un niodtle prc-cieux, presque inimitable, que les savants ainieront toujours arelire.'— ilf. Marir. 



13465 Theorie des Cones Circul aires Roulants ; with folding plate, Svo. sewn, 2s Qd 1852 



13466 Theorie Nouvelle de la Rotation des Corps ; with 2 folding plates, roy. Svo. sewn 



(scarce), 10s 1852 



13467 Outlines of a New Theory of Rotary Motion, translated, with Notes, Ly Charles 



Whitley, f.r.a.s., with 3 plates, Svo. cL, uncut (very scarce), 125 6c? Cambridge, 1834 



' a clear conception of the nature of rotary motion was conveyed by Poinsot's elegant geometrical representation by 

 means of an ellipsoid rolling on a certain fixed plane.' — Prof. Cujori. 



13468 POINTER (John, i^ec^or of Slapton, Northanis.) A RATioi!i Ah ACCOUNT of the Weather, 

 shewing? the Signs of its several Changes and Alterations, with the Philosophical Reasons of them. 

 Collected from Common Observations, etc. etc., first edition, large 12mo. sound copy in old hf. 

 calf (RARE), 15s Oxford, 1723 



13469 Second Edition, corrected and much enlarg'd: with Three Essays towards accounting 



for I. A continued Course of Wet Years. II. The Cause of an Aurom Borealis. III. The Cause 

 of the Plague, Svo. old calf {rare), £1. Is 1738 



This work, which is distinEjuished for the common-sense views held by the author, comprises : Signs of Rain, Rainy 

 Weather, Fair Weather, Mists, Windy Weather and Tempests, Hail, Cold and Frosty Weather, Hard Winters, Pestilential 

 Seasons, and Signs of the Weather from the Weather-Glasses. 



' It was pointed out in the GentUinan's Magazine, 174S (pp. 2.55-6), that this volume supplied the groundwork of ' The 

 Shepherd of Banbury's Rules to judge the Weather, by John Claridge, shepherd.'— iA N. B. (v. No^. 6i)03-5 ant'). 



There is no copy of the second edition in the Royal Meteorological Society's Library Catalogue, 1891. 



13470 POISEUILLE (Jean Leon Marie, de V Academic de Medecine), Rapport sur un Memoire 

 de, ayant pour Titre : Recherches Experimentales sur le Mouvement des Liquides dans les 

 Tubes de tres-petita Diametres, Commissaires, MM. Arago, Babinet, Piobert, Regnault 

 Rapporteur : with plate, 4to. (pp. 21), sevn, 3s [1842] 



13471 POISSON (Simeon Denis; f.r.s.) Memoire sur les Temperatures dela Partie Solide du 

 Globe, de I'Atraosph^re, et du Lieu de I'Espace oii la Terre se trouve actuellement ; with folding 

 plate, 4to. (pp. 72), seum, 3* 1837 



Forming the supplement to the author's ' Theorie mathematique de la Chaleur.* 



13472 Memoire sur la Theorie du Son, 4to. (pp. 74), sevm, 'Ss 6rf [1808] 



13473 Nouvelle Theorie de I'Action Capillaire ; with folding plate, 4to. hf. calf gilt, 



with bookstamp of Francis Ba^hforth, pr. (SCARCE), £1. 15* 1831 



• Reprenant la theorie de Taction capillaire, il trouve la cause de ces phenomfenes dans cette remarque, que la densite 

 d'un liquide varie avec la profondeur de la partie que Ton considfere et aussi avec la distance de cette partie aux parois du 

 vase qui renferme le liquide.'— £. Mcrlieux. 



The above and Laplace's are the chief memoirs published on the subject of capillarity. Poisson's theory differs 

 considerably from Laplace's, although both arrive at the ,same, results. 



13474 Trait^ de Mecanique, 2^ [derniere] Edition, considerablement augmentee ; with 7 



folding plates, 2 vols. Svo. hf. calf; or, calf, Os • 1833 



13475 '■ — Another Copy, calf extra, Is 6d 



The best-known of the author's works, and long the standard work on the subject. 



13476 Treatise on Mechanics, translated, with explanatory Notes (pp. 190), by Henry 



H. Harte, pr.. Fellow T.C.D., with 8 folding plates, 2 thick vols. Svo. cl., or, hf. calf {scarce), 

 15s ' 1842 



* The knowledge of mathematical mechanics of solids attained by the great inathematicians of the XVIII. century may 

 be said to be summed up in Lagrange's Micaniqm analytiqvx Iq. r. o7ii?]and Voia^on'aTralUde Mecnnique.'—W. W.R.Ball. 



13477 POLAK (S.) The Theory and Practice of Perspective Drawing, unth folding frontispiece 

 and numerous diagrams, oblong 4to. cl., 2s Qd (p. 5*) 1907 



13478 [POLLASTBI (Bartolomeo, da Milano)] II Supplemento d'ARiTMETiCA al Maestro 

 de' Conti, Direttore de' Principianti, ossia il Proseguimento del Vero Modo di Conteggiare all' 

 Uso Mercantil» Moderno, dalla Regola del Tre sino alia Falsa Posizione Doppia. Opera dell' 

 AsTRONOMO LOMBARDO, 12nio. boards {one I. slightly defective), Is 6d Milano [c. 1785] 



