842 HENRY SOTflERAN & CO., 140, STRAND, AV.C., AND 43, PICCADILLY, \V. 



ASTRONOMY and GEODESY, continued: 



16837 CHATJVENET (William, Washington Univ., St. Louis) MANUAL of SPHERICAL and 

 PRACTICAL ASTRONOMY, with Appendix on the METHOD of LEAST SQUARES ; 5th [latest] 

 Edition, revised and corrected, with 15 plates and numerous illustrations, 2 vols. roy. 8vo. cl., 

 uncut (fresh copy], \ls Qd (p. 1. 11* Qd) Philadelphia, 1889 



' The most complete and exhaustive treatise on the subject which has yet appeared.' Prof. Simon Newcomb. 



16838 CHEYNE (Charles Hartwell Horne,pr., Westminster School) ELEMENTARY TREATISE on 

 the PLANETARY THEORY, 3rd [last] Edition, edited by A. FREEMAN, pr., F.R.A.s.,with diagrams, 

 post 8vo. cl., uncut (o. p.), 5s 



16839 DIEN (Charles) ATLAS CELESTE, rectifie et augmente de Cartes nouvelles : ,Etoiles doubles, 

 multiples, colorizes, nebuleuses, et Groupes stellaires, Mouvements propres des Etoiles. etc. par 

 CAMILLE FLAMMARION, 10 e Edition; with 29 plates (some folding), atlas folio, handsomely bound 

 in hf. black morocco, cl. sides, t. e. g. (fine copy), 1. 5s (p. F. 40 nett sewn) 



16840 FAYE (Herve, de Vlnstitut) COURS d'AsTRONOMiE de 1'Ecole Polytechnique ; with numerous 

 woodcuts and diagrams, and map, 2 vols. large 8vo. in 1, hf. red morocco neat, cl. sides (FINE 

 COPY) ; SCARCE, 1. 55 1881-3 



CONTENU : I. Astronomic spherique ; Description des Instruments ; Theorie des Erreurs ; Geodesic et Geographie 

 Mathematique : II. Astronomic Solaire ; Theorie de la Lune ; Navigation. 



16841 LECONS de COSMOGRAPHIE ; with 15 folding plates, 8vo. cl., 4s 1854 



16842 FLOTOW (Albrecht v., Geoddtischer Tnstitut, Potsdam) EINLEITUNG in die ASTRONOMIE, 

 large cr. 8vo. cl., 4s Qd (p. M. 7) Leipzig, 1911 



16843 FBJSCHAUF (Johannes ; Prof. Mathematics, Graz) GRUNDRISS der THEORETISCHEN 

 ASTRONOMIE und der Geschichte der Planetentheorien, 2. [letzte] vermehrte AuHage ; with 2: 

 illustrations, 8vo. buckram, uncut, t. e.g., 4s (p. M. 5 sewn) Leipzig, 1903 



16844 GARGET (H.) LECONS de COSMOGRAPHIE, nouvelle Edition parCH. SIMON ; with 3 plates and 

 98 text-illustrations, Svo. buckram, 3s 1896 



16845 GAUSS (Johann Karl Friedrich; F.R.S.) THEORIE der BEWEGUNG der HIMMELSKORPER 

 welche in Kegelschnitten die Sonne umlaufen, ins Deutsche iibertragen von CARL HAASE, mit 

 Anhang ; with photographic frontispiece of the Gauss Medal, view and fs., 4to. hf. black calf neat, 

 cl. sides, 13s Hannover, 1865 



The German translation of the Latin original of this classic work, which introduced the principle of curvilinear 

 triaugulation. 



16846 GODFRAY (Hugh, St. John's Coll., Cantab.) ELEMENTARY TREATISE on the LUNAR THEORY, 

 with brief Sketch of the History of the Problem before Newton, 3rd [last] Edition, with diagrams, 

 cr. 8vo. cl., 3s (p. 5s Qd) 



16847 TREATISE on ASTRONOMY, for Colleges and Schools ; 2nd Edition [enlarged], with plates 



and numerous illustrations, Svo. buckram, 4s Qd (p. 12s Qd) 1874 



16848 - - FIFTH [LAST] EDITION, with numerous illustrations, Svo. buckram, uncut, 7s 

 (p. 12s Qd) 1S94 



16849 GORE (John Ellard, M.R.I. A., F.R.A.S). ASTRONOMICAL ESSAYS, historical and descriptive, 

 with 6 plates, cr. Svo. cl., 3s (p. 6s) 1907 



16850 The VISIBLE UNIVERSE : Chapters on the Origin and Construction of the Heavens, with 



16 plates (many folding) of stellar photographs, etc., and other illustrations, Svo. cl., uncut, t. e. g., 

 7sQd(p.lQs) " 1893 



' A very good and lucid summary and discussion of the recent theory regarding the construction of the heavens.' 

 Sonncnscheiji. 



16851 GRETSCHEL (Heinrich) LEXIKON der ASTRONOMIE, mit Beriicksichtigung der astrono- 

 mischen Instrumente, der Zeitrechnung und der hervorragendsten Astrononien ; with 133 illustra- 

 tions, cr. Svo. buckram, 2s tid (p. M. 6) Leipzig, 1882 



16852 GUNTHER (Siegrnund, Technische Hochschule, Miinchen) VERGLEICHENDE MONO- und 

 ERDKUNDE ; with 4 folding plates (linen-mounted), and 23 text-illustrations, Svo. buckram, t. e. g., 

 4s (p. M. 5 sewn) Braunschweig, 1911 



16S53 HALE (Georg Ellery, Director, Mt. Wilson Solar Observatory] The *STUDY of STELLAR 

 EVOLUTION : an Account of some recent Methods of Astrophysical Research, with 104 fine plates 

 of star photographs, astronomical instruments, etc., and views, Svo. hf. black morocco neat, cl. 

 sides (as good as new], 12s Qd (p. 16s Qd nett in cl.) Chicago, 1909 



' Describing a connected series of investigations, laying special stress on the observational methods employed, in the 

 hope of explaining clearly how the problem of stellar evolution is studied.' Preface. 



16854 HEIS (Eduard, Univ. Milnster) ATLAS COELESTIS ECLIPTICUS, continens VIII Tabulas ad 

 delineandum LUMEN ZODIACALE ; with 8 plates, oblong folio, buckram, 6s Colonicc, 1878 



16855 - ATLAS COZLESTIS Novus : Stella? per Mediam Europam solis Oculis conspicuje 

 secundum veras Lucis Magnitudines e Coelo ipso descript;u, post Svo., with Atlas, containing 12 

 large star-maps, oblong folio 2 vols. original hf. binding (rubbed) ; SCARCE, 1. Is ibidem, 1872 



' Besonders beiiihmt ist sein Atlas ccelestis novv.s, in welchem alle mit blossem Auge sichtbaren Sterne aufgenommen 

 sind '.Lrockhan* s Konv.-L(.<:. ' While engaged on his great atlas, he attentively determined the change of magnitude of 

 stars visible to the naked eye ; and by means of the naked eye the opera glass, and a small telescope, he amassed a large 

 number of observations.'//. Macnherson. 



