HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 33? 



6562 BRUNNOW (Franz Friedrich Ernst) LEHRBUCH der SPHARISCHEN ASTRONOMIE, mit Vor- 

 wort von J. F. ENCKE ; with folding plate, 8vo. calf gilt, 3s Qd (p. M. 12 sewn) Berlin, 1851 



First Edition of this well-known text-book. 



(5563 ZWEITE VERMEHRTE AuFLAGE ; with diagrams, 8vo. sewn, 3s ib., 1862 



6564 SPHERICAL ASTRONOMY, trans, by ROBERT MAIN, pr., F.R.S., Ratlclift'e Observer, Part I 



[all pub.] , including the Chapters on PARALLAX, REFRACTION, ABERRATION, PRECESSION, and 

 "UTATION, plate, 8vo. hf. maroon morocco (scarce), 6s t Cambridge, 1860 



[al 

 Ni 



6565 



TRAITE d'AsTRONOMiE SPHERTQUE et d'AsTRONOMiE PRATIQUE, Edition francaise par 

 E. LUCAS et C. ANDRE, avec Preface de C. WOLF ; with woodcuts and diagrams, 2 vols. 8vo. hf. 

 calf gilt, or, hf. morocco neat (fine copies) ; SCARCE, 1. 5s 1869-72 



'La theorie des instruments, qui ne se trouve exposee dans aucun autre ouvrage didactique, forme ici une partie 



importante.' Preface. 



6566 BRYAN (George Hartley, F.R.S.) On CERTAIN APPLICATIONS of the THEORY of PROBABILITY 

 to PHYSICAL PHENOMENA, 4to. (pp. 6), sewn, with author's inscr., \s Qd [Baltimore, Md., 1897] 



65(57 _ REPORT on the PRESENT STATE of our KNOWLEDGE of THERMODYNAMICS, Part II, 8vo. 

 (pp. 43), sewn, Is Qd 1894 



6568 - The WAVES on a ROTATING LIQUID SPHEROID of FINITE ELLIPTICITY, 4to. (pp. 33), 

 sewn, Is Qd 1889 



6569 - , and Robert Hamilton PINKERTON : ELEMENTS of the GEOMETRY of the CONIC, 

 with the Geometry of Certain Curves occurring in Applied Mathematics, 145 diagrams, cr. 8vo. 

 cl., 2s 1907 



6570 BRYAN (Margaret) COMPENDIOUS SYSTEM of ASTRONOMY, in a Course of Familiar Lectures ; 

 also Trigonometrical and Celestial Problems, with Key to the Ephemeris, and Vocabulary, 2nd 

 Ed., iL'ith fine portrait of the Authoress and her two Daughters by W. NUTTER (fine impression), 

 besides numerous plates, 8vo. contemporary tree-calf gilt, WsQd 1799 



Also valuable for the tine portrait by Natter, executed in Bartolozzi's stipple manner. 



6571 THIRD EDITION, with 17 plates (3 folding), 8vo. contemporary russia extra (one joint 



cracked), 3s 6d 1805 



6572 BUCCI (Antonio) SAGGIO sopra il FLOGISTO, le differenti Specie d'ARiA, ed il CALORE ; 8vo. 

 (pp. 84), sewn, 6s Faenza, 1783 



One of the last defences of the expiring phlogiston theory, with special reference to Dr. Priestley's work. 



6573 BUCHAN (Alexander, Sec. Scot. Met. Soc.) HANDY BOOK of METEOROLOGY, 2nd [last] 

 Edition, with numerous woodcuts and 8 charts, post 8vo. cl. (scarce), Qs Edin., 1868 



One of the best smaller English works on the subject. 



6574 BUCHAN (William Paton) PLUMBING; with Chapters on HOUSE DRAINAGE, embodying 

 the Latest Improvements, 4th Ed., enlarged, with 330 woodcuts, fcap. 8vo. hf. calf neat, 2s Qd 1883 



6575 VENTILATION : with Chapter on AIR TESTING, 170 woodcuts, fcap. 8vo. hf. morocco neat, 



'2s Qd 1891 



6576 BUCHANAN (John Young-, F.R.S.) The METEOROLOGY of BEN NEVIS in CLEAR and FOGGY 

 WEATHER, with 8 plates, 4to. sewn, 4$ Qd Edin., 1899 



6577 BUCHANAN (Robertson, C.E., Glasgow) ESSAY on the SHAFTS of MILLS, with their Descrip- 

 tion and Use, and the Kinds of STRESS to which they are subject ; with Inquiry into their Stiffness, 

 Strength, Durability, and Proportion ; with Useful Tables, and Account of the Progress and 

 Improvement of Mill work, 3 copperplates, 8vo. hf. calf gilt, 5s 1814 



6578 PRACTICAL and DESCRIPTIVE ESSAYS on the ECONOMY of FUEL, and Management of 



Heat, with 2 copperplates, 8vo. hf. calf; or, boards, Qs Glasgow, 1810 



Containing the Effects of Heat, Means of measuring it, Fuel, etc. ; Heating Mills, Dwelling-Houses, and Public 

 Buildings by Steam ; and Drying and Heating by Steam. 



6579 PRACTICAL ESSAYS on MILL WORK, and other Machinery, with Notes and Additional 



Article?, containing new Researches on various Mechanical Subjects by THOMAS TREDGOLD ; 

 3rd Edition, with Additions, by GEORGE RENNIE, F.R.S., numerous woodcuts and diagrams, roy. 

 8vo., and Atlas, with over 70 fine steel plates, roy. folio 2 vols. hf. roan, 15s (p. 2. 10s) 1841-50 



LAST EDITION, containing an interesting preface (pp. 38), a life of Buchanan, an original essay by JAMES NASMYTH, the 

 inventor of the Steam Hammer, ' Remarks on the Introduction of the Slide Principle in Tools and Machines,' etc. etc. 



6580 - : PRACTICAL EXAMPLES of MODERN TOOLS and MACHINES, by Messrs. Maclea and March, 

 of Leeds ; Messrs. Whitworth & Co., of Manchester; and Messrs. Carmichael, of Dundee, edited 

 by GEORGE RENNIE, F.R.S., 8vo., and Atlas, with 18 fine steel plates, roy. folio 2 vols. boards, 

 8s Qd 1842-52 



6581 ATLAS ONLY, with 18 plates, roy. folio, boards, Qs 1852 



Forming a Supplement to the foregoing work, and an early example of English proficiency in Machine Tools. It 

 includes Sir Joseph Whitworth's Perfect Planing Machine. 



6582 PRACTICAL TREATISE on PROPELLING VESSELS by STEAM, etc., with 16 copperplates 



(slightly foxed), 8vo. hf. calf (RARE), with AUTO. OF THOMAS TELFORD, F.R.S., 1. 5s Glasgow, 1816 



Interesting as the first treatise on steamboats, and for containing copious descriptions of early steam vessels and con- 

 temporary inventions and improvements in connexion with them. The above copy has several MS. notes in the text, 

 apparently by Telford. 



6583 BUCKLAND (William, F.R.S., Dean of Westminster) DESCRIPTION of an INSULATED GROUP 



of ROCKS of SLATE and GREENSTONE in Cumberland and Westmoreland, with coloured plate, 4to. 



(pp. 12), sewn, with inscr. to Thomas Allan, F.R.S., 3s 1816 



6584 GEOLOGY and MINERALOGY considered with reference to Natural Theology, with 87 plates, 



2 vols. 8vo. cl., 5s Qd 1836 



FIRST EDITION of this celebrated ' Bridgewater Treatise ', ' a compendium of geological and pala?ontological science up to 



the date of its publication, enriched by numerous reflexions of a highly philosophic character'.^. Hunt, F.R.S. 

 6585 VINDICLE GEOLOGKLE, or the Connexion of Geology M r ith Religion explained, 4to. (pp. 38), 



sewn, with inscr. to Thomas Allan, F.R.S., 3* Oxford, 1820 



