HENRY SOTHERAN & CO., 140, STRAND, VV.C, AND 37, PICCADILLY, W. 319 



6251 BLACKBURN (Isaac, ahip-buildcr, Plymouth) THEORY and SCIENCE of Naval Archi- 

 tecture, familiarly explained and intimately blended with the Art ; with Practical Conclusions 

 tending to its further Improvement, and to the Constructing of Ships for Fast Sailing ; with 

 important Hints for the MANAGEMENTof Ships at Sea, 8vo. hf. bound (scarce), 7s Qd Plymouth, 1836 



There was no copy of this work in th« Scott Library. 



6252 BLACKETT (T. Oswald) E.ssay on the Use of the Spirit Level, as applied to Engineering 

 etc., with o folding plates and numerous other illustrations, 8vo. hf. calf {scarce), 5s 



Newcastle-on-Tyne, 1838 

 CUiming to be the first counected treatise on the sabjsct in the Ungttage. The plates include a profile of i«rt of the 

 Newcastle and Carlisle Railway, then just built. 



6253 BLAGDEN (Sir Charles, m.d., f.rs.) Experiments on the Cooling of Water beix)w its 

 Freezing Point, 4to. (pp. 22), seum, 3* 6c? 1788 



'The most noteworthy of his physical |»apei-s.*— i). S. H. 



6254 Experiments on the Effect of various Sub.stances in Lowering the Point of Con- 

 gelation in Water, 4to. (pp. 36), sewn, 3« 1788 



62o.) Hlstory of the Congelation of (Quicksilver, 4to. (pp. 71), 9twn, with inscr. to Gen. 



Ilobert Melville, F.R.S. (inventor of a naval gun), 5s 1784 



6256 Report and Supplementary Report on the hest Method of Proportioning the 



Excise on Spirituous Lk^'ors, 2 parts 4to (np. 56), sewn, 3» Qd 1790-2 



6257 — ; — Observations on Ancient Inks, with the Proposal of a New Method of Recovering th. 

 Legibility of Decayed Writings, 4to. (pp. 7), sewn, 3* 17b7 



This pai)er was unknown to P(t>:};endortf and the author's biographer in D. N. 11. 



6258 BLAIR (Andrew Alexander) The Chemical Analysis of Iron : a complete Account of all 

 the best known Methods for Iron, Steel, Pig-Iron, Iron Ore, Limestone, Slag, Clay, Sand, Coal, 

 Coke, and Furnace and Producer Gase>j, 6th Ed. [enlarged], with 103 woodcuts, sq. 8vo. hf red 

 leather, \0s 6d (p. 18* nett) PhUaddphia, 1906 



6259 BLAIR (J. A.) ORGANIC ANALYSIS of Potable Waters, diagrams, cr. 8vo. c/., 2s 1890 



6260 BLAISE (F. E., Interne des Asiles d'Alientsde la Seine) A TRAVERS la Matiere et I'lilNERGlE ; 

 with 68 illustrations, roy. Svo. sewn, Qs 6rf (p. F. 12 nett) [1902 J 



6261 BLAKE (John Frederick) Astronomical Myths, based on Flammarion's 'History of the 

 Heavens,' with plates and numerous woodcuts (many from old prints), and chart, large post 8vo 

 cl., uncut (scarce). Is 6d 1K77 



a valuable popular history o( astronomy from the earliest times to Cn|)ernicns. 



6262 BLAKE (William Phipps) Notices on Mining Machinery, and MechanicAl Appliances in 

 Use, chieliy in the Pacific States and Territories, for Mining, Raising, and Working Ores, with 

 Comparative Notices of Foreign Apparatus, plates and numerous woodcuts, roy. 8vo. cl., 4* 



New Haven, Conn., 1871 



6263 BLAKESLEY (Thomas Holmes, m.i.c.e.) Geometrical Optics, with ^Z diagrams, cr. 8vo. cl., 

 \s Qd 1903 



Written to correct the errora due to our national imperfect detinition of Focal Lcnxth. 



6264 Papers on Alternating Currents of Electricity, 2nd Ed., enlarged, with 29 woodcuts, 



post 8vo. cl., 2s (p. is 6d) 1889 



6265 BLANCABD (Steven; m.d., Amsterdam) Theatrum Chimicum, oder Eriiffneter Schiiu 

 Platz und Thiir zu den Heimligkeiten in der ScheideKunst, nebenst einer Vermehnmg vk i 

 die geringen Metallen und gemeinen Steine zu verbesseni 8in<l, durch [SiR] Kenelm Digb\ ; 

 ivith 11 copperplates, 12mr>. contemporary stamped pigskin, with clasps (one defective), £1. Is 



Leipzig, 1700 

 Rare, and unknown to Graesse, Ebert and Brunet. It was also apparently unknown to Mr. A. E. Walte. whoaooR ji • 

 include it in a copious list of Alchemical Writers in his ' Lives of Alchemical Philosopheni.' 



6266 BLANCHABD (Jean Pierre) : Exact ami Authentic Narrative of M. Hl.vnchard's 

 Third Aerial Voyage, July 18, 1784, accompanie*! by M. BoiiY ; in which they travei-sed 

 ji Space of 45 Miles in 2^ Hours, with FoUR CERTIFICATES testifying the Truth of the liehition ; 

 and signed by several KcspeoUble Characters, trans, [with Preface by tlu* Translator], with fine 

 engraved front, of the Balloon, 4to. (pp. 25), sewn (VERY SCARCE), £1. 15* 1785 



Blaiichard's balloon was the rtrst cor.UiniiiK wiii^s and a rudder as well, was -'7 fwt in .liamet«r, cb«rK(«l with hydroK^n 

 fras, and ' had a sort of large umbrella sprca*! horizontally between the balloon and the boat, which, in cane the ballooi. 

 should burst, would check the fall.'— Afa/tow Tumor, who <lid not know thi; above work. 



HIanchard was the Hrst to cross the Channel In a balloon, with the American, Dr. Jeffries, and the first to tiuike, In 1785, 

 a balloon ascent in London. He died of apoplexy in 1808 when making his Oeth ascent. 



6267 BLANE (WUUam, f.r.s.) Particulars relative to the Production of Borax, 4to. (pp. 4), 

 sewn, \s Gd 1787 



a letter to (probably) the writer's brother Sir (Jilbcrt Ulane, k.r.s., the exUrpator of scurvy from Uie Navy. It refers 

 to the production of borax in the N.W.P., India, from a probable source in Tibet. 



6268 BLASEBNA (Pietro, Univ. Rome) The THEORY of SOUND in it« Relation to Music, 

 .3rd Ed., tvith 39 woodcuts, cr. 8vo. cl., 2s 6rf (p. 5s) 1883 



6260 BLENKARN (John, c.E.) Practical Specifications of Works executed in Architecture, 

 (ivil and Mechanical Enginc<'ring, and in lioadmaking and Sewering; with practically Useful 

 Agreements and Reports, 15 folding plates, 8vo. cl. (out of print), 5s (p. 18*) 1863 



6270 BLIGH (William George, m.i.c.e ; p.w.d. India) The Practical Design of Irrigation 

 Works, with 10 folding plates, and 216 other illustrations, impl. 8vo. cl., lis (p. £1. Is nett) 1907 



6271 BLIM (E.), et — ROLLET de PISLE: Manuel de I'Explorateur : Proc6d68 de levers 

 rapides et de Detail ; Determination astronomique des Positions Geoorapuiques ; with 89 

 woodcuts, cr. Svo. cl., unth bookplate of Dr. Emit Retch, 2s 6d 1899 



a work much to be recommended to discoverers of the North Pole. 



22 



