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



5953 [BALDWIN (George)] PHILOSOPHICAL ESSAYS, 4to. (pp. 38), sewn, with inscr. ' FROM THE 

 AUTHOR ', 8s Qd n. p. [1786] 



On Gravitation, the Tides, Rain, etc., by this believer in ' the magnetic influence '. It is dedicated to George Johnstone, 

 Governor of West Florida, addressed as ' My most honourable and most honoured friend.' 



5954 BALIANI (Giovanni Battista, Genovese) De MOTU NATURALI GRAVIUM SOLIDORUM ; with 

 vignette on title and numerous diagrams, sm. 4to. sewn (a few wormholes, but a large and sound 

 copy) ; RARE, 16s Qd Genuce, 1638 



ORIGINAL EDITION of this curious work, in which the author attempts to ascribe to himself nearly all Galileo's dis- 

 coveries O. PoggeudorflTs Geschichte df.r Physik, pp. 292-3]. The Libri copy fetched 50 francs in 1857. 



5955 BALL (Sir Robert Stawell, F.R.S.) EXPERIMENTAL MECHANICS, LIBRARY EDITION, with 103 

 woodcuts, 8vo. cl., 6s Qd (p. 16s) 1871 



Intended as a supplement to manuals of theoretical mechanics. It contains interesting chapters on the pendulum and 

 the mechanical principles of a clock. 



5956 In the HIGH HEAVENS, with front, and 41 illustrations, large cr. 8vo. cl., g. e., 3s Qd 



(p. 7s Qd) 1894 



5957 STAR-LAND : Tales with Young People about the Wonders of the Heavens, 92 illustrations, 



cr. 8vo. cl., 3s (p. 6*) 1889 or '90 



5958 The STORY of the HEAVENS, with 16 plates (some coloured), and 90 other illustrations, 



thick 8vo. cl. (cover damaged), 3s Qd (p. 1. 11s Qd) 1885 



5959 SECOND EDITION^ with 16 plates (some coloured), and 90 other illustrations, thick roy. 8vo. 



cl., uncut (fresh copy], 5s (p. 1. lls Qd) 1886 



5960 NEW AND REVISED EDITION, with 18 plates (mostly coloured), and 101 other illustrations, 



thick roy. 8vo. cl., Qs Qd 1900 



5961 The STORY of the SUN, with 11 plates (plain and coloured), and 82 other illustrations, roy. 



8vo. cl. extra, 10s Qd (p. 1. Is) 1893 



5962 The THEORY of SCREWS : a Study in the Dynamics of a Rigid Body, 8vo. cl., 4s Qd 



(p. 10s Qd) Dublin, 1876 



5963 BALL (Walter William Rouse, Fellow of Trinity) MATHEMATICAL RECREATIONS and PRO- 

 BLEMS of Past and Present Times, 2nd Ed., with diagrams, post 8vo. cl., 4s Qd (p. 7s nett) 1892 



With interesting chapters on Magic Squares, Astrology, Hyper-Space, and the Constitution of Matter. 



5964 SHORT ACCOUNT of the HISTORY of MATHEMATICS, with diagrams, post 8vo. cl., 3s Qd 



(p. 10s Qd) 1888 



5965 THIRD EDITION [enlarged], with diagrams, thick post 8vo. cl., 7s (p. 10s nett) 1901 



5966 BALTHASAR (Theodpr) MICROMETRIA, hoc est, de MICROMETRORUM TUBIS OPTICIS, seu 

 Telescopiis et Microscopiis applicandorum varia Structura ac Usu nmltiplici Opusculum, cum 

 OBSERVATIONIBUS ASTRONOMICIS turn et aliaruin Rerum Dimensionibus plurimum inserviens ; 

 with 14 plates, I2mo. old white vellum (FINE COPY) ; RARE, 1. 12s Qd Erlangce, 1710 



This rare work contains the first description of the author's invention of the solar microscope generally but erroneously 

 said to have been invented in 1738 by J. N. Lieberkiihn, who published a description of it in 1745 in ' Description d'un 

 microscope anatomique '. 



5967 BALTZER (Richard; Univ. Giessen) THEORIE und ANWENDUNG der DETERMINANTEN, 

 4. verbesserte Auflage, 8vo. sewn (out of print), 3s Qd Leipzig, 1875 

 Containing the author's method of simplifying Gauss's deduction of the formula of curvature by the use of determinants. 



5968 BALZARETTI (Giovanni) Su i PORTI dell' HAVRE e di MARSIGLIA : Disposiziorii, MECCANISMI 

 e SERVIZIO FERROVIARIO ; with 4 large folding plates of the hydraulic equipment. 8vo. hf. morocco, 

 4s Roma, 1877 



5969 BAMFIELD (Samuel, teacher of mathematics, Honiton, Devon) NEW TREATISE of ASTRONOMY, 

 or Astronomy Opened : a Rational and Mathematical Enquiry into the True Principles of 

 Astronomy, or Frame of our Solar System, wherein divers weighty Reasons will be offered, to shew 

 that the present-received System cannot possibly be the True one ; also a NEW SYSTEM . . . 

 whereby all the Coelestial Phcenomena will be much more naturally explained, and accounted for, 

 than by the present System, etc. etc., with 5 copperplates, 4to. sewn (rare), 12s Qd Exeter, 1764 



The new system ' does without that oblique and unnatural motion of the earth our astronomers are obliged to suppose, 

 and yet summer and winter will exhibit themselves even as now.' This West-Country paradox was unbudgeted by Prof, 

 de Morgan. 



5970 BANKS (Richard) ASTRONOMY, or the SOLAR SYSTEM explained on MECHANICAL PRINCIPLES, 

 with its Application to the DELUGE, and to the ASTRONOMICAL MIRACLES recorded in the SCRIPT- 

 URES, with 16 copperplates (som.e folding), 8vo. boards, uncut, 10s Qd 1829 



An interesting astronomical paradox, in which an orbit is ascribed to the sun of a radius of 923,210 miles, while gravita- 

 tion is explained satisfactorily (to the author) by elementary mechanical means. The work appears to be rare, and is not 

 budgeted by Prof, de Morgan, nor mentioned by Lowndes or Allibone. 



5971 BARANETZKY (Josif Vasiljevic ; Univ. Kief) Die STARKEUMBILDENDEN FERMENTE in 

 den PFLANZEN ; with plate, 8vo. (pp. 64), sewn, Is Qd Leipzig, 1878 



5972 BARBANCJJOIS (Charles Helion Marquis de, de I'lndre) LETTRE a M. DE LA METHERIE, 

 contenant un Essai sur le FLUIDE ELECTRIQUE, 8vo. sewn, 3s Qd 1817 



5973 BARCLAY (Joseph Gurney, F.R.A.S.) ASTRONOMICAL OBSERVATIONS taken at his Private 

 Observatory at LEYTON, Essex, Vols. II (1865-9) and IV (1877), 2 vols. 4to. hf. cl. and sewn, 

 4s 1870-8 



5974 BARFF (Frederick Settle) The TREATMENT of IRON for the PREVENTION of CORROSION, 

 post 8vo. (pp. 15), sewn, Is Qd 1877 



5975 BARKER (Thomas) ABSTRACT of a REGISTER of the BAROMETER, THERMOMETER, and RAIN, 

 at Lyndon, in Rutland, 1784-5, and 1789 ; etc., 3 parts 4to. sewn, 3s Qd 1785-91 1 



5976 BARRESWIL (Louis Charles Arthur), et Ascanio SOBRERO : APPENDICE a tous les 

 TRAITKS d'ANALYSE CHIMIQUE : Recueil des Observations publiees depuis 10 Ans sur 1'Analyse 

 Qualitative et Quantitative ; with plate and woodcuts, 8vo. sewn, 3s 1843 



