HENRY SOTHERAN & CO., 140, STRAND, W.C, AND 37. PICCADILLY, W. 321 



6290 BOERHAAVE (Herman, m.d. ; f.r.s.) Elementa Chemi^ : Historia, Artis Theoria, et 

 Operationes ChemictT ; with fine folding portrait by Wandelaar {inserted), and 17 copperplates, 

 2 vols. 4to. old calf, \2s Qd LugduntBat.y 1732 



A(lde<i arc the same author's ' Opuscula Omnia, (iiue hactenus in Lucem prodierunt,' Htuja^, 17S8. 



6291 New Method of Chemistry, including,' the History, Theory, and Practice of the Art, 



trans., with Notes and Appendix, shewing the Necessity and'Utility of Enlarginc; the IJOUNDS 

 of Chemistry, by Peter Shaw, m.d., 2nd Ed., with 25 copperplates, 2 vols. 4to. in 1, old calf 

 (rare), £I. 1* T. Longman, at the Ship in Paternoster Row, 1741 



' Intended to contain all the important work done in chemistry, which long rentained by far the best Kuide to the 

 study of the science. . . He studiei the processes involved in calcination, and to him is due the valuable exi>erimental 

 contradiction of the view put forth by B >yle and others.'— iVo/. K. v. SS<-yfr. 



'A compilation of practically all that was known up till that date, collected with great labour from a large variety of 

 alcliemic^il ami utlicr writing's.' — l)r. Dol/liin. 



6292 BOETHIUS (Anicius Manlius Torquatus Severinna) Opera, quje extant. Omnia . . . 

 inlinitis locis . . . eniendavimus, adiuti pnesidio vett. MSS. exempli., & auxilio doctissinioruni 

 uiroru : inter quos . . . HenRICHUS Loritus Glareanus Arithmbticam & MusiCAM denionstra- 

 tionibus & figuris auctioreni redittani siio pristino nitori restituit . . . et Martianus Rota opus 

 de tota ditterendi ratione, hoc est, organuni, Dialecticje \: Rhetoricjr studiosis necessariuin, illus- 

 travit. Et huius auctoris VITAM . . . descripsit ; with printer's device on title and last I., and 

 numerous diagrams, thick folio, boards (some II. browned as usual, otherwise a large and sound 

 copy) ', RARE, £'2. 2* BxsUete, apud Henrichuni Petruni, 1546 



' The teaching of early medieval matlicmatics was mainly foniided on the geometry and arithmetic of liuetbius. Hi« 

 lieometry consists of the enunciations only) of the first book of Euclid, and of a few aelected pro|K>sittons in the third and 

 fourth books, buc with numerous practical applications to tindiag areas, etc. He add* an appiendix with proofs of the first 

 three propositions to shew that the enunciations may b'^ relied on. His Arilhturtic l< founded on that of Niconiachus. A 

 textbook on music by him was in use at Oxford within the present [XlXth] century.'— IF. W. IL liaU. 



6*293 Arithmetica. [F. 2*:] Incipiunt duo libride Arithmeti- ] ca anitij manilij [sic] seueriiii 



Boetij vi- | ri clarissinii z illustris-iimi ex. cosulis : | ordinarij : patricij : ad patriciuai sim | niachuiii, 



editio princeps; handsomely printe J in gotfiir Utter, with numerous fim woodcut initials and 



diagrams, sm. ^io. parchment {fise copy) ; extremely rare, £12. 12* 



[col .] Finit arithmetica Boetij bene re\uisa acfideli studio emendata Im\pressa per ErhardA ratdolt 



viri so-\lcrtissinii exim,ia Idustria z mira im-\primSdiarte: quanu^ venetiis nilc | AU0U8TE 



excellet [sic] nominatlssimus. \ Anno dni. M.cccc.lxxxviij. Men- sis maij die vigcsima. 



6291 — Another Copy, hanisomzly bound in white vellum extra, rough g. e. (aa exceptionally 



fine and large copy), £14. 14* 



' This edition has always been considered a great rarity, and even so early as ITTo it sold for £2. 'Is at Dr. Askew'tf aale. 

 Probably in consequence of its great rarity this edition was neither seen nor mentioned by Prof, de Mon»n.*— /.il»rt 

 Catalogue. It consists of signatures a to f in eights, or 48 11 in all, without signatures or foliation. (Haln *8420. 

 Proctor 1S73). 



6295 De Arithmetica ad Patritium Siinniachum libri II ; De Musica lib. V ; De Geometria 



lib. II ; De PiiiLOSOPHiE Consolatione lib. V ; De ScholariO Disciplixa lib. I [cum Com- 

 iiientariis in Consolationem et Disciplin.am S. Thom.e Aq.]; printed in ^oX\^it ItWtl in double 

 columns, with signatures, numerous woodcut diagrams, initials, etc., 2 vols, folio in 1, hf. vellum 

 extra {first 2 II. guarded, otherwise a FINE COPY) ; VERY RARE, £6. %s 



[col. ofv. I:] Venetiis, per Jo. et Greg, de Gregoriis Fratres, 1499, die 8. Julii. 

 [col. ofv. II :] Venetiis, per Otinum de la Luna Papiensem, die xix. Julii, 1499 

 Any work of Boethius shouhl have esijecial interest to Englishmen from the remembrance of King Alfred's transUUon 

 of the ' Con.solation of Philosophy '. 



6296 BOHXJN (Ralph; New Coll., Oxon.) Discour.sk concerning the Orioine and Properties of 

 Wind, witii Historical Account of Hurricanes, and other Tem|>e8tuous Winds, with 3 engravings 

 on copper, 12ino. contemporary calf, with bookplate of George Stanhope, Dean of Canterbury, and 

 Boyle Lecturer (1660-1728) ; rare, £1. Is Oxford, IV. Hall, 1671 



(J297 Another Copy, contemporary calf {back slightly damaged, but a tall copy), 18* 6rf 



• Noteworthy as among, if not absolutely, the first in which the theories of the winds, as proi»oun<Ie«l by ArlstrHle and 

 i»artly adopte<l by Bacon, are compareil with details of the trade winds, n>onw»ons, typhcwms. and wind* from other part* 

 of the world, <»f which the classical authors know nothing. The preface shows that Uie author might almost rank a* a 

 Maury nearly two centuries before the ;;reat American promoU»»l the Brussels Couference. I think that Uic reprint of tlie 

 tlrst jMiragraph of the preface is desirable.'- </. J. Sj/tnortK, F R S. 



The work is unknown to Lowndes, nor Is the author noticed In D. N. It. 



629S BOILEAU (Lt.-Col. I. T., R.E.) Collection of Tables, Astronomical, Mbteorological, 

 and Magnktical, also, for Detemunin«,' the Altitudes of Mountains ; ConiDarison of French and 

 English Wei^dits and Measures, etc., computed in the Ottice of the H. E. I. Co.'s Magnetic 

 Ul>servatory, Simla, 4to. hf. calf, 5« 6rf Umballa, ISTK) 



6299 BOIS (AugiistuB Jay du, Yale Univ) The Strains in Framed Structqres, with numerous 

 Practical Applications to Cranes; Bridj^e, Roof, and SusiKjnsion Trusses ; Braced Arches; Pivot 

 and Draw Spans ; Continuous Girders, etc., also Determination of Dimensions and Designing of 

 Details, Si)ecihcations and Contracts, Complete Designs and Working Drawings, 6th Ed., greatly 

 eniar-'ed, with 50 plates {many folding), and numerous woodcuts, 4to. cl., 15« (p. £2. 2* nett) 



^ -'-''' New York, \fi90 



6300 BOIS (Heinrichdu; Univ. Berlin) Magnetische Kreise, deren Theorie und Anwendung; 

 with 94 illustration.'!, large ]K)st 8vo. cl., 5s (p. M. 10) Berlin, 1894 



6301 The Magnetic Circuit in Theory and Practice, trans, by Edmund Atkinson, with 



94 woodcuts, 8vo. cl. {out of print), 6« 6rf (p. 12« nett) 1896 



Containin-; an account of the atithor's magneto-optical metho<l for the niPMurement of iwrmeabUlty. 



