HENRY SOTHERAN & CO., 140, STRAND. W.C, and 37, PICCADILLY, W. 185 



3657 PLATEAU (Joseph Antoine Ferdinand; Ghent) Statique Exp6rimentale et Th6orique 

 des Lk^uides sniinis aux SEL'LES FORCES MOLECULAIRES ; with 93 diagrams, 2 vols. roy. 8vo. 

 sewn, Qs 6d (p. F. 15.) Gand, 1873 



Specially valuable for the author's investijcations on the subject of jets. 



3658 PLAYF AIR (John, f.r.s.) Works, with Memoir [by the Editor and Lord Jeffrey; edited by 

 James O. Playfair] , 4 thick vols. 8vo. cL, ttncut, or, hf. hound, tincut (scarce), £1. \s Edin., 1822 



Containing all the author's w«)rks and papers, save 'Elements of Geometry ' and 'Outlines of Natural Philosophy", 

 and including his celebrated ' Illustrations of the Iluttonian Theory of the Earth', which inaugurated the new science of 

 geoloyy, and the valuable ' Proj^rt-ss of tht> Malhenuiticul and Physical Scienci-s.* 



3659 Elements of Geometry, witli Sunplement on the Quadrature of the Circle and the 



Geometry of Solids, also Elements of Plane and Spherical Trigonometry, diagrams, Svo. hf. 

 calf, or, calf, 3s ib., 1819, or '22 



3660 Seventh [best] Edition, with Additions [by William Wallace], diagrams, Svo. 



boards, 5s ib., 1826' 



3661 Thirteenth [latest] Edition, with the Notes adapted to Students, and the Trigono- 

 metry re-arranged and extended, by P. Kelland, F.R.S., diagrams, post 8vo. cl., 3s Qd ib., 1875 



3662 Outlines of Natural Philosophy, first edition^ with 6 plates, 2 vols. 8vo. sewn, 



4s ib. 1812-14 



3663 Last Edition (Vol. I 3rd Ed., and v. II 2nd Ed.), wUh 7 plates, 2 vols. Svo. boardji, 



iincvt,Gs6d i6., 1819-16 



3664 Another Copy, hf. calf. Is Qd 



3065 PLES6NER (M.) Die neueste Erfinduno. Das Antiphon : ein Apparat zum Unhorbar- 

 maehen von Tcinen und Geriiuschen, 2. AuHage ; illustrated ; Svo. (pp. 48), sewn, 2s 



Rathenow [1885] 



3606 PLIMSOLL (Thomas) Our Black Diamonds : their Origin, Use, and Value, woodcuts, 12mo. 

 d. boards, 2s Qd 1861 



By Mr. PUmsoll's father. 



3607 PLINIUS Secimdus (Caius) Naturalis Historia, cum Commentariis et Adnotationibus 

 Hermolai, Barbari, Pintiani, Rhenani, Gelenii, Dalechampii, Scaligeri, Salmasii, Ls. 

 Vossil, et variorum ; accedunt varite Lectiones ex MSS., item J. F. Gronovii NoUe ; with 

 engraved titles, 3 thick vols. Svo. finely bound in crushed crimson Levant morocco extra, uncut, 

 t. e. g., by F. Bedford (choice copy), £3. 15* Lugd. Bat., 1669-8 



Belle Edition, et I'une des nioins communes de la collection des anciens Variorum..'— Brurut. ' Edition correcte. '— Grar«f e. 



3CG8 POGGENDOBrF (Jchann Christian) Biographisch-literarisches Handworterbuch 

 /ur Geschichte der exakten Wis.senschaften, enthaltend Nachweiftungen liber Lebensver- 

 lijiltnisse und Leistungen von Matheniatikern, Astronomen, Physikeru, Cheniikern, Mineralogen, 

 (ieologen, u.s.w. aller Volker und Zeiten, 4 vols. roy. Svo. new hf. morocco, £8. 1 1* Leipzig, 1863-1904 

 The best bibliography of the exact sciences in existence. Vols. 3 and 4 were edited by W. B. Feddeiiskn and A. J, v. 

 Okttingen. 



3C69 Geschichte der Physik : Vorlesungen an der Universitat zu Berlin ; unth 40 woodcuts, 



Svo. hf. calf {nice copy) , I3s ib., 1879 



3670 Lebenslinien zur Geschichte der Exacten Wissenschaften seit Wiederherstellung 



derselben, roy. 4to. cl., 4* Berlin, 1853 



3671 POINCAB^ (Henri Jules, de Vlnstitut) Electrite et Optique : la Lumiere et les Thi^iories 

 Electrodynamiques : Lemons profess6es il la Sorbonne, 1888, 1890 et 1899, 2« [dernibre] E<lition, 

 revue et complet^e par Jules Blondin et EuGfeNE Nit;cuLc6A ; with 62 diagrams, roy. Svo. 

 (pp. 651), hf. blue calf, \5s 1901 



3672 La Science et I'Hypothese, post Svo. sewn, 2s , [1902] 



3673 POINSOT (Louis) Elements de Statique, suivis de Quatre M^moires, 9« Ed., augraenU^e ; 



ttnth 4 plates, Svo. hf calf, &s 6d 1848 



Best Edition, well printed in large type. The memoirea comprise : ^ur la Composition des Moments et des Aires ; snr 



le Plan invariable dn Systeme du nionde ; sur la Theorie generale de lEquilibre et du Mouvenient des systtmea ; sur un6 



Theorie nouvelle de la Rotition des Corps. 



3674 DixiEME Edition ; with 4 plates, Svo. hf. calf, 5s Qd 1881 



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



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



3875 Th6orie Nouvelle de la Rotation des Corps ; with 2 folding plates, 4to. sewn {scarce), 



lOs 1851 



3676 Outlines of a Nenv Theory of Rotary Motion, trans., with Notes, by Charles 



Whitley, f.r.a.s., 3 plates, 8vo. cl., uncut {very scarce), I2s 6d Cambridge, 1834 



'A clear conception of the nature of rotary motion was conveyed by Poinsofs elegant geometrical representaUon by 

 means of an ellipsoid rolling on a certain fixed plane.'— Pro/. Ctyofi. 



3677 POINTER (John, Bector of Slapton, Northants.) A RATIONAL 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. ; 2nd Ed., corrected and much enlar>?'d ; with 

 Three Essays towards accounting for I. A continued Course of Wet Years. II. The Cause of an 

 Aurora Borealis. III. The Cause of the Plague. Svo. old calf {VKRY RARE), £l.ls 1738 



Comprising ' Signs of Rain, Rainy Weather, Fair Weather, Mists, Windy Weather and Tempests. Hall, Cold and Frosty 

 Weather, Hard Winters, Pestilential 8ea.sons, and Signs of the Weather from the Weather-Glasses , , . on. 



' It was pointed out in the nevUeman:f Magazine, 174S (pp. 255-r,). that this volume supphwl the groundwork of The 

 Shepherd of Banbury's Rules to judge the Weather, by John Claridge, shepherd '.—D. A. B. {v. Ao. 800, ante). 



3678 POLEHAMPTON (Edward, pr.), and John Mason GOOD, F.R.S. : The Gallery of Nature 

 and Art, or a Tour through Creation and Science, with 100 copperplates, 6 vols. Svo. hf. calf extra 

 {nice set), lis 6d . , ^ , .. J^"^ 



Containing articles on astronomy, meteorologj', mining, etc. Dr. Mason Gootl was grandfather of Dr. John Mason 

 Neale the hymnologLst. .-j 



