HEXRY SOTHERAN & CO., 140. STRAND, W.C. and 37, PICCADILLY, W. 311 



6096 BEDELL (Frederick, Cornell Univ.) The PRINCIPLES of i\iQTliXS^VOViSlE,R, with foldimf plate 

 and '250 other illtistrution^, 8vo. cl., Is Qd (p. 13* nett) New York, 1896 



6097 , and Albert Gushing CB.EHOBE: Alternating Currents: an Analytical and 



Graphical Treatment for Students aui Engineers, unth 112 diagrams, 2nd [bust] Ed., 8vo., cl., 

 4* 6c/ (p. 12* i)d) ibidem, 1893 



6098 BEDFORD (Arthur, chaplain to FredericJc Prince of Wales) HOR.B Mathematicai Vacu^E ; 

 or a Treatise of the Golden and Ecliptic Numbers ... for finding the Cliange of the Moon 

 for any Time past or to come ... by the Rectification of the Golden Number . . - and for 

 finding the Eclipses both of the Sun and the Moon, etc. etc etc., diagranis, Hm. 8vo. hf, bound 

 {rare), 12* ^ 17-13 



Probably the only inath«)inatical treatue ever written an a distraction from the pain of aeiatka. TIm a<iUior, vho w%» 

 chaplain to the llaljerdaiiherii' altnshou'ieii at Iloxtoa, wai< a ortlleague of Bp. ivmaf Collkr in his aaaaolt oa the fauBOT' 

 ality ot tlie Stage of the period ; and met hiit death at IxKt throoj^h taking ob«erratioii« of the Couist of 1745. 



6099 BEEB. (August, Univ. Bmn) EiNLEiTUNG in die HohereOptik; wUh 2 folding pUUes, and 

 2^2 other illustrations {some coloured), 8vo. hf. morocco neat, uncut, t.e.g., wUh auto, of Prof. 

 H. W. LI. Tanner, F R.S., 2* 6i Braunschwda, 1853 



6100 Another Copy: also, Grundriss des photometrischen Calcules; with 40 iUustro' 



tions — 2 vols. 8vo. in 1, hf calf neat, is ibidem, 1853-4 



6101 Tabula, Curvarum Quarti Ordinis Symmetricarum, Ai»ymptoti« Rectis ct Linea 



Faudanientali Kecta pricditarura ; with 35 plates, roy. 4to. sewn, with auto, of Prof H. IV. LI. 

 Tanner, F.R.S. (.SCARCE), 10* Bonnae, IHSZ 



6102 BEHKENS (H.) Anleitung zar MiKROCUEMiscHEN Analyse, with 92 woodcuts, roy. 8vo. 

 sewn, 2s 6rf (p. M. 6) HamJbura, 1895 



610.3 Anleitung zur mikrochemischen Analyse der wichtigsten ORGANisciiEV VsBBnr- 



DUNGEN, Heft I— II : Anthracengruppe, Phenole, Chinone, Ketone, Aldehyde, und die widitig- 

 sten Faserstoffe ; with 3 coloured plates, and 67 woodcuts, 2 vt»U. roy. 8vo- sewn, U (p. M* 7) 



ibidem, 189^4{ 

 6101 BEHBENS (Th. H.) Mikrochemische Methoden zor Mineral- Analyse ; with plate, %vo. 

 setcn, Is iid Amsterdam, 1881 



0105 BELIDOB (Bernard Forest de; f.rs.) Architecture Hydraulique, on I'Art de condnire, 

 d'eiever et de menager les Eau.x pour les differens Besoius de la Vie ; with fne fronts, and vignette* 

 by Higaud, and 221 Jolding plates of Waterworks, 4 vols roy. 4to. old hf. calf, uncut (RARE), 

 £1. 10.? 1737-53 



Oricinal Edition, wiih Ijest iuipresKiouR of the plates, and on this aocoont preferred to the later ones. 

 ' Ouvrage tre« recherche, et qui n'a pas ete efface jiar ceux qu'on a laits depui*,'— fiio/r. Gi%. ' Un treMr de radboches 

 et de machines que 1 histoire de I'hydraulique doit toujours annoucer et otiebnr.' —MontueUi. 

 It is btill valuable as a complete storehouse of contemporary hydraulic machinery. 



610G BELL (Andrew, Dollar Academy) MATHEMATICAL and PHYSICAL TRACTS, with foUUm^ plaU, 



post 8vo. boards uiwut, 4* Hd Edtn., 1834 



Problems on Curves, the L>eveloptueut of Functions, etc etc, the theory of the Orenhot Water- Wheel aad BailKf^s 



Mill, Electrical Principle of Influeuce at a Distance, etc etc, 



0107 BELL (Sir Isaac Lowthian, f.rs.) The Iron Trade of the United ELixgdom, eompued 

 with that of the other chief Iron-Makinj,' Nations, 8vo. d., bs IflM 



6108 I'ltiNCiPLKS of the Man UF Ac^rURE of Iron and Steel, with Notes on the Economic 



t'oudition of their Production, 10 plates, thick 8vo. cl. (SCARCE), with inser. 'from tAe author', 

 £1. Is 1884 



One of the most imprjrlAnt treatises on the subject siaee the pabUeatiOBOf Percy's ' Inm atMi iStod* (r. So. S&4I)|, 

 describing the result of a number of imporuut uiigioal in mstl p itirwn hy two of thr pi ti ai mr of thr il mrisiMi frtf tode, 



6109 BELL (LouiB) The Art of Illumination [by Gas and Electricity, with Chapter oo Pbotometry], 

 front., and 127 other illustrations, roy. »vo. cl.. Is 6d (p. 10« Qd nett) New YoHi, 11102 



6110 BELL (B. Bruce, c.E.) On Patent Slip Docks, with 2 plates, 8vo. (pp. ll),Mwm,3§9d 



The question of slip docks has recently assumed some impoctsaee ia oonnezioB witli tbtt IwililiBi, tif ' IHtmJmmtltta ' 



6111 BELL (William James, f.c.s.) Sale of Food and Drugs Acts, 1875 and 1879, with Notes 

 and Cases, and Pra<.'tieal Observations, 12iuo. d.. Is 6d (p. 4*) 1886 



6112 Another Copv, interleaved throughout, 12mo. limp roati, 4t 



The author's own oopj, vith his bookplate, and a, aiuaber of MS. iMitim§. 



6113 BELLANI (Angelo, Canonteo di Milano) CONGHIKTTCJKE Mpia vn Aktico SdigqlaS£ 

 Arnese di pREZioso Metallo disotterrato presso Couio ; with plate, 4to. (pp. 12), sewm^ %k 



Milamo, 1818 



6114 Delia Mal'akia \ncino ai FoNTANILl d'iRRlGAZlONE, 4to- (pp. 34), sewn, 3« Modema, 1842 



till.5 SuUo Spostamento del Mercurio osservato al Panto del Gfaiacdo snlla ScaU del 



Teruiometri, 4to. (pp. 20), sewn, 3s ihkUm, 1841 



6116 BELLENS i Charles) Traite des Chaudieees a Vapeue ; Etadenr la VaponBatiiMi daas les 

 A]i|>art-il> Industriels ; tcilh 215 woodcuts, roy. 8vo. d., lOt (p. F. 20 netl) 188S 



6117 BELOE 1 Charles H.) On the Construction of Catch- Watek Bsseevoibs in Mot3TAUf 

 DisTKicrs, xcith 6 plate.s and 2 tables (all foleUd and lisuH-mommied), 8vo. hf. calf {out of 

 jjrint,As 1«72 



6118 BEL P AIRE (Alphonse) Traite des Defenses d'ExPLOiTATiOH anx Chemixs de Fer; 

 On \ rage re. i i-c >ur des Donnees Officielies beiges 8to. (pp. 648), tewn {tearoeU S$ 6d BmaodUs, 1847 



BELTRAMI (E.)— r. Chelini, post. 



6119 BENISCHEE (Gustav) Magnetisml^ und Elektbizitat mit Racksicht aof die Bedubfsisbk 

 der PR.\XIS ; wUh 202 Ulustratiuns, bvo. *cicii, 3* 6rf (p. M.6) Berlin^ 



