HENRY SOTHERAN & CO., 140, STRAND, W.C, and 37, PICCADILLY, W. 209 



4130 RXJMFORD (Sir Benjamin Thompson, Count, F.R.S.) Complete Works, with Memoir, and 

 Notices of his Daughter by G. E. Ellis ; new Edition, published by the American Academy of 

 Arts and Sciences, with numerous steel portraits, plates and woodcuts, 5 thick vols. roy. 8vo. cl. 

 (SCARCE), £5. 5* 1875-6 



Best edition of tho works of the author, the fouuder ot the Koyal Institution, and the originator of the mechanical 

 tlieory of heat. 



4131 Account of a Method for Measuring the Comparative Intensities of the Light 



emitted by Luminous Bodies, 4 folding plates by Basire {pp.40) : Account of some Experiments 

 upon Coloured Shadows (pp. 12)— 4to. seum, 6s 1794 



4132 Experiments upon Heat, 4to. (pp. 33), sewn, 3* 1792 



4133 New Experiments ujwn Heat, folding plate, 4to. (pp. 32), sewn, Ss 6d 1786 



4134 Experiments to determine the positive and relative (Quantities of Moisture absorbed 



from the Atmosphere by various Substances, under similar Circumstances (pp. 6) : Experi- 

 ments on the I*roduction of Dephlogisticated Air from Water with various Substances, 

 folding plate (pp. 41)— 4to. sewn, 4? 6^/ 1787 



Added are lepers by John Hunter, k r.h., William Nicholson, and Edward Warincj, k.r.h. 



4135 Philosophical Papers: a Collection of Memoirs, Dissertations, and Experimental 



Investigations relating to various branches of Natural Philosophy and Mechanics, with 

 Letters, Vol. I [all published], with \3 folding plates by Basire, 8vo. old calf {blank comer of 

 title cut Ojff)\ RARE, £1. 1* 1802 



This volume is often added as vol. IV t^i the * Essays ', and contains exi)eHnientn on Rt>np<»wder, on Guns, on the Pro- 

 duction of Air from Water, Moisture absorbe<l from the Atmosiihere, the Relative Intensities of Light, Ooloureii Shadows, 

 the Uarniouy of Colours, the Chemical Pro|)ertie8 of Light, and the Weight or Ponderability ascribe*! to Heat. 



4136 M^MOIRES sur la Chaleur ; loith woodcuts, 8vo. sewn, uncut (rare), V2s 6d Didot, 1804 



CoNTENf : I. Recherches sur la nature de la chnleur, et la mauibre clout ellc est proiwiR^e ; II. Memnire sur la chaleur ; 



III. Observations sur les i)etitK jtuits qui se forment en ete dans do graiides masses solides de glace, aux glaciers de 

 Cliamouuy : avec qq, nouv. remarqiies sur la propagation de la chaleur dans les liqui<les; avec Notice historique dcs 

 divei-ses exi>eriences sur la chaleur faites par I'auteur. The first and third memoirs were translated by M. A. Pictet. 



1137 BtJMKER (Karl Ludwig Christian; Sternwarte zu Hamburg) ASTRONOMICAL OBSERV- 

 ATIONS at the Observatory at Paramatta in New South Wales, 4to. (pp. 160), sewn, with inscr. 

 by John Davy, M.I)., F.R.S., Is 6d 1829 



Including the important ob.servation of Encke's comet during its perihelion pa.ssage in 1822. 



' Riimkor's observations were so far valuable, that besides showing that the comet actually did come back, they 

 furnished Encke with the means of predicting with greater certainty its next return in 1825.' — <!. V. Chambers, F.R.A.S. 



4138 Handbuch der Schiffahrts-Kunde, mit Seemans-Tafeln, 6. AuHage; unth compass 



card, 5 folding maps, and diagrams, roy. 8vo. sheep, 3s Hamburg, 1850 



4139 MlTTLERE Oerter von 12,000 Fix-Sternen fUr den Anfangj von 1836, abgeleitet aus den 



Beobachtungen der Hamburger Sternwarte, I. u. 11. Abtheilung (0. bis 12. Stunde), 2 parts, 

 oblong 4to. sewn, 3s 6d ib., 1843-4 



4140 RtJMPLER (A.) Die Nichtzuckerstoffe der Ruben, in ihren Beziehungen zur Zucker- 

 fabrikation. 8vo. hf. German morocco gilt, Ss 6d (p. M. 13.50) Braunschweig, 1898 



The standard work on the by-jiroducts in the manufacture of beet sugar. 



4141 BUSSELL (Major C.) The Tannin Process [in Photography], 2nd Ed., with diagrams, 

 fcap. 8vo. cl. (sca7'ce), 5s 1865 



This process was the first success in obtaining a good dry collodion plate. 



4142 RUSSELL (Harry Luman, Univ. of Wisconsin) OUTLINES of Dairy Bacteriology, 4th Ed., 



revi.'^efl, vith woodcuts, post 8vo. cl., 2v 6d (p. 5* nett) Madison, Wis., 1899 



4143 BUSSELL (Jolin Scott, f.r.s.) The Modern System of Naval Architecture, with 165 

 large and fine j)lates, 3 vols, atlas folio, vol. I {te^t) hf. calf, and w. II and III (plates) sewn, 

 £2. 125 6d (p. £42.) [1864-5J 



The most magniticent work on the subject ever published. The author was the builder of the 'Great East«ni * Btcam- 

 ship, and joint designer of the ' Warrior,' the first sea-going armoured frigate. ' He discovered the exiittence of the wavi 

 of tratislation, and developed the wave-line sy.stcm of construction of ships.'— D. N. If. 



4144 BUSSELL (Stuart A., m.lc.e.) Electric Light Cables, and the Distribution of Elec- 



tricitv, with 107 illustrations, post 8vo. cl., 3s (p. Is 6d) 1892 



4145 BUSSELL (Sir William Howard ; tvar correspondent) The ATLANTIC TELEGRAPH, with title 

 and 35 other fine tinted lithographs by Robert Dudley, and map, large imnl. 8vo. emblematic 

 cl. super-extra, g. e. (fine copy) ; SCARCK, 15* />«y «''rf ^on (1865J 



This account of the laying of the second Atlantic cable has a special interest from its views and detaiU of the ' Great 

 Eastern' steamship, which performefl the work. The cable snapped in mid-ocean, and the enlerjirlac waa not carried to 

 a successful i.ssue until the following year. ,. t_i v 



The beautiful plates aflord an excellent idea of the technical part of the enterprise, the scenery of the Iria^ and 

 Newfoundland coasts, and the old-world a.spect of the Agamemnon (which laid the 1858 cable) and the Great Kaat^m. 



4146 BUST (Arthur) Electricity : theoretically and practically considered by the Aid of Theemo- 

 Electricity, 25 woodcuts, 8vo. hf. calf neat (out of print), 3s [1888] 



4147 BUTHEBFOBD (Ernest, f.r.s., McGUl Univ.) Uadio-Activity, 2nd E<1., 8vo. cl., I2s 6rf 



Unio. Press, Cambridge, 1905 



' I scarcely think any other person has spent more hours in reading the first and second edlUona of Rutherford's • Radio- 

 activity ' than I have'. — Lord Kelvin. , ^ , 



4148 BUTHEBFOBTH (Thomas, D.D., F.R.S. ; Begins Prof. Divinity, Cantab.) Ordo Institu- 

 tionum Physicarum ; with 31 plates, 4to. sewn, 4s Cantabrtgia;, 1/43 



4149 Another Copy, contemporary calf gilt (fine copy), os 6d 



4150 System of Natural Philosophy': Lectures in Mechanics, Optics, Hydrostati^, 



and Astronomy in St. John's College, with 31 plates and map, 2 thick vols. 4to. old calf gtU, 



There are also elementary chapters on Acoustics and Meteorology under HydrosUtics. No mention is made or eiectn- 

 city or magnetism. 



