HENRY SOTHERAN & CO., 140, STRAND, W.C, and 43, PICCADILLY, W. 691 



13305 QUETELET (Lambert Adolphe Jacques; Brussels Observatory: f.r.s.) Memoire, et 

 Deuxieme Memoire. sur les Variations Diurne et Annuelle de ia Temperature, et en 

 particulier de la Temperature Terrestre h ditterentes Profondeurs, d'apres lea Observations faites 

 a rObservatoire de Bruxelles, iviih 3 charts {2foldmg), 2 parts 4to. (pp. 132), seini, 5s 



[Bruxelles, 1836]-40 

 The second memoir contains the author's formula on the variation of the Earth's tenii)erature. 



i:]806 Deuxieme Memoire sur les Variations ANNUELLEsde la Temperature de la Terre 



it dift'erentes Profondeurs ; with 2 charts (one folding), Ito. (pp. 52), sewn, 2s 6d ibidem, 1840 



13807 [ ] OnSERVATIONS des Piienomenes Periodiques, 4to. (pp. 64), seicn, iis \ib., 1849J 



13S0S Resume des Observations sur la Meti^orologie, sur le Magnetisme, sur les Temp- 

 eratures de la Terre, etc. faites a I'Observatoire Royal de Bruxelles en 1840, 4to. (pp. 78), sewn. 

 3*6rf «6., 1841 



13809 Another Copy, semn, unth author's tnscr., 4? 



Including ' Coinparaisons barometriques faites a Bruxelles et dans le Nord de I'Europe, par A. Bravais et Ch. Martins.' 



13810 Second Memoire sur le Magnetisme Terrestre en Italie ; with map, 4to. (pp. 27), 



sewn, with author's inscr., 3« ib., 184C* 



13811 Theorie des Probabilites ; with portrait of Laplace, fcap. Svo. sewn [scarce), 3* 6rf 



ib. [1853: 



This valuable little volume was one of the publications of the • Soclete pour I'Emancipation intellectuelle —an 

 ort'spring of the Brou^hamian 'Society for the Diftusion of Useful Knowledge '. 



13S12 QUINCKE (Georg Hermann; Unit). Heidelberg) Veher die Bestimmung des Brechungs- 

 EXPONENTEN luit totaler Reflexion, 4to. (pp. 8). sew7i, \s 6d Halle, 1879 



13813 L'eber freiwillige Bildung von hohlen Blasen, Schaum und Myelinformen durch 



illsaure Alkalien und verwandte Erscheinungen, besonders des Protaplasnias'; with plate, 8vo. 

 (pp. 40), sewn, 2s Leipzig, 1894 



13814 tJber die Klarung TRUBER Losungen, roy. Svo. (pp. 8), sewn. Is 6rf [Heidelberg, 1901] 



13815 MODERNK Kritik der Messungen der Capillaritatsconstanten von Flussig- 



keiten und die specitische Cohesion geschmolzener Metalle, 8vo. (pp. 14), sewn. Is 6d Leipzig, 1897 



13816 Ueber Rotationen im CONSTANTEN elektrischen Felde ; with folding plate, 8vo. 



(pp. 70), sew7i, 2s ibidem, 1896 



13817 i'ber unsichtbare Flussigkeitsschichten und die OberHiichenspannung Hiissiger 



Niederschliige bei Niederschlag^membranen, Zellen, Colloiden und Gallerten, impl. 8vo. (pp. 17), 

 sewn. Is &d IBerliii,] 1901 



The author's experiments on surface tension are of great importance. 



13818 BAA BE (Joseph Ludwigr; Univ. Zurich) Die Differenzial- und Integralrkchnung, niit 

 Functionen einer Variabeln, 3 vols. Svo. calf, 6s 6d (p. M. 30 sewn) Zurich, 1839-47 



13819 Ueber die Integration zweier sinmltan bestehenden Linearen Differenzialgleich- 



UNGEN zwischen 7i Variabeln, 8vo. (pp. 8), sewn, Is 6d ibidem, 1856 



13820 BADAU (Rodolphe) Reciierches Modernks sur la Conductibilite CALORiFKiUE. Svo. 

 (pp. 15), seivn, Is 6d [Ihiil] 



13821 BADCLIFFE OBSEBVATOBY, Oxford, Astronomical and Meteorological Observ- 

 ations at the, under the Direction of Edward James Stone, f.r.s., from 1885 to 1887 and 1890 

 to 1910 (Vols. 43-5 and 47-50), 7 vols. roy. 8vo. sprinkled calf gilt [backs of 3 vv. rubbed), n-ith 

 armorial bookplate of Sir W. R. Anson, Warden of All Souls, M.P., £1. Is Oxford, 1885-1910 



13822 : Catalogue of 6424 Stars for the Epoch 1890, formed from Observations during 



1880-93, under the Superintendence of Edward James Stone, f.r.s. : Catalogue of 1772 Stars, 

 chiefly within the Zone 85''— 90^ N.P.D., for the Epoch 1900, from Observations during 1894-1903. 

 under the Direction of Arthur A. Rambaut, F.R.S.— 2 vols. 4Lo. sprinkled calf gilt, with armorial 

 bookplate of Sir William Anson, I5s ibidem, 1894-1906 



13823 BADCLIFFE (Lionel Guy), and Frank Sturdy SINN ATT, ff.c.s. : Systematic Course 

 of Practical Organic Chemistry, printed on one side only, Svo. cl. [cover lightly soiled), 2s (p. 

 is6d) 1905 



13824 BADICKE (F. W. Gustav; Univ. Bonyi) Handbuch der Optik, niit besonderer Riicksicht 

 auf die neuesten Fortschritte der Wissenschaft ; with 9 folding plates (one coloured), 2 vols. 8vo. 

 hf. calf gilt, with auto, of Prof. J. Bosscha, As , Berlin, 1839 



1.3825 BADiOLOGY:— Premier CoNGRES International pour I'Etude de la Radiologie et de 

 I'loNisATiON, tenu a LiEGE du 12 au 14 Septembre 1905 : CoMPTES Rendus [Section Physique]; 

 with numerous illustrations, roy. 8vo. d., Is Qd 1906 



Containing contributions by C. Barus, H. Dufour, H, Geiger, Sir W. Iluggiiis, Sir W. Ramsay, A. Right, and many others. 



13826 Autre Edition ; avec Section Biologique ; with numerous further illustrations of 



experimeiits and therapeutic results, roy. Svo. boards, 10«6rf(p. F. 17.50 nett sewn) Bruxelles [\90f)] 

 The further contributors include MM. Contremoulins, R. Dubois, O. Lassar, J. Butler Burke, William H. DieH'enbach, 

 and others. 



13S27 BAEDTS (Willem, Maestrichter) Practycke om lichtelijc te leeren Visieren alle Vaten 

 nietter Wisselroede, van nieus ouersien, ende in veel plaetsen verbetert, ende met seer profyte- 

 lijcke aenvvysinghen vermeerdert, ende verciert : DoorMlCHiELCoiGNET ; printed in gotl)ic letter ; 

 i'-ithfine woodciit on title of gaugers at work, and numerous diagrams, 18mo. vellum (title slightly 

 soiled, otherwise A FINE COPY) ; very rare, £1. 15* Thantwerpen, by Hendrick Hendricksen, 1.580 

 A very rare work, unknown to Poggendorir, Brunet, Graesse, and other bibliograpiier.s. Nothing seems to be known of 

 the author. The editor was mathematician to Albert Duke of Brabant. The work contains instructions to make 

 gaujiing rods. 



13828 BAFTEB (George W., C.E.), and Moses Nelson BAKEB, editor of ' Engineering News ' : 

 Sewage Disposal in the United States, with 7 2^/a<e« (6 folding), and 116 woodcuts and diaarams, 

 impl. Svo. cl. {loose in cover), 9s (p. £1. 4s) New York, 1894 



