408 HENRY SOTHERAN »& CO., 140, STRAND, W.C, AND 43, PICCADILLY, W. 



7996 FONTANA (Carlo) CJtilissimo Trattato dell' Acque Correnti, nel quale si notificano le 

 Misure, ed Esperienze di esse, i Giuochi, e Scherzi, li quali per mezzo dell' Aria, e del Fuoco, 

 vengono operati dall' Acqua, con diversi necessarii Ammaestramenti intorno al Modo di far 

 Condotti, Fistole, Bottini, ed altro, per condurre I'Acque ne' Luoghi distinati, ecc. ; with 2 folding 

 plates^ and numerous fine engravings on copper in text, folio, hf. bound {water -stained throughout) ; 

 RARE, £1. 1* Roma, 1696 



' £ libro raro e molto apprezzato sia dal lato bibliografico per la eleganza delle tavole, sia dal lato scientifico per quanto 

 riguarda la parte meccanica della condotta delle acque.' — Riccardi. 



7997 FONTANA ( Abbate Felice ; Univ. Pisa) Opuscules Physiques et Chymiques, traduits par 

 Jacques Gibelin, 8vo. sewn, 6s Qd 1784 



7998 Another Copy, contemporary hf. calf, 7s 6d 



Containing accounts of some interesting experiments in physiological chemistry. 



7999 FONTANA (Francesco) : Nov^ Ccelestium, Terrestriumque Rerum Observationes, et 

 fortasse hactenus non vulgatae, h Francisco Fontana, speeillis a se inventis, et ad siimmam 

 perfectionem perductis, editae, editio princeps; with fine etched portrait, cet. 61, title and 

 numerous other engravings {one folding), and woodcuts, sm. 4to. contemporary vellum {sound and 

 c/ean co/>y); rare, £1. lbs Neapoli, \Q^6 



8000 Another Copy, old hf. vellum { portrait browned and folding plate mended, but a sound 



and clean copy), £\.5s 



8001 Another Copy, old limp vellum {portrait wanting and folding plate slightly defective; 



also some small holes in title), lis 



' Raro e apprezzato.' — Riccardi. 



The work is important as containing the author's discovery of spots on Mars, which later astronomers with more 

 powerful instruments identified as 'canals', the origin and object of which is still exciting the curiosity of the scientific 

 world. He also recorded changes in their position after a subsequent observation, from which ha inferred that the planet 

 rotated round its axis. 



In the final chapter de Microscopio, he not only claims the invention of the microscope in 1618 (actually made by 

 Zacharias Janssen in 1590), but also the construction of a telescope in Italy in 1608, or one year before Galileo. 



8002 FORBES (David, f.r.s.) On the Causes producing Foliation in Kocks; and on some 

 observed Cases of Foliated Structure in Norway and Scotland, with woodcuts, 8vo. (pp. 21), 

 unbound, 3s 1855 



One of the author's most important contributions to geology. 



8003 On the Chemical Composition of some Norwegian Minerals, 8vo. (pp. 12), unbound. 



Is 6d 1854 



8004 On the Chemical Composition of the Silurian and Cambrian Limestones, 8vo. 



(pp. 9), sewn, Is Qd 1857 



8005 On Chemical Geology, 8vo. (pp. 29), sewn. Is 6d 1868 



8006 On the Chemistry of the Primeval Earth, 8vo. (pp. 14), sewn. Is Qd 1867 



8007 On the Determination of Copper and Nickel in Quantatitive Analysis, 8vo. 



(pp. 8), unbound. Is 6d Edin., 1853 



8008 The Study of Chemical Geology, 8vo. (pp. 13), sewn. Is Qd 1868 



8009 FORBES (George, f.r.s.) On Comets and Ultra-Neptunian Planets, 4to. (pp. 16), sewn, 

 25 Qd [Edin., 1880} 



Suggesting a new plan of searching for unknown planets which depends on the movements of comets. 



8010 The Transit of Venus, with frontispiece, and 21 woodcuts, cr. 8vo. cl. {o.p.), Zs Qd 1874 



8011 FORBES (James David, f.r.s., Principal of the United College, St. Andrews; geologist) 

 Account of some Experiments on the Electricity of Tourmaline, and other Minerals, when 

 exposed to Heat, with woodcut, 4to. (pp. 14), sewn, with author's inscr., 3s Qd Edin., 1834 



8012 Norway and its Glaciers visited in 1851 ; with Excursions in the High Alps of 



Dauphine, Berne, and Savoy, with the rare map, 10 beautiful tinted lithographs, and 22 woodcuts, 

 impl. 8vo. hf olive morocco gilt {nice copy) ; scarce, £1. 5* ib., 1853 



8013 Another Copy, hf calf {cheap copy), lis Qd 



S014 Occasional Papers on the Theory of Glaciers, now first collected, with the recent 



Progress and present Aspect of the Theory, coloured front., plates, and woodcuts, 8vo. cl., uncut 



{scarce), lis ibidem, 1859 



a reprint of all the author's more important papers and letters on the glacier theory. 



8015 On a Possible Explanation of the Adaptation of the Eye to Distinct Vision at 



Different Distances, 4to. (pp. 6), sewn, with author's inscr. to Dr. P. M. Boget, F.B.S., 3s ib., 1845 



8016 On the Refraction and Polarization of Heat : I. Some Miscellaneous Experiments 



with the Thermo- Multiplier. II. On the Polarization of Heat by Tourmaline. III. On the 

 Polarization of Heat by Refraction and Reflexion. IV. On the Depolarization and Double 

 Refraction of Heat, 4to. (pp. 38), sewn, with inscr. to Dr. Boget, F.B.S., 7s 6c? ib., 1835 



Containing the author's ' most brilliant discovery, viz., the polarisation of heat, by transmission through tourmaline 

 and thin mica plates, and by reflexion from the latter.'— Z). N. B. 



8017 Reisen in den Savoyer Alpen, und in anderen Theilen der Penninen-Kette, nebst 



Beobachtungen Uber die Gletscher, bearbeitet von GuSTAV Leonhard ; with maps, plates, and 

 woodcuts, 8vo. hf brown calf gilt^ by Biviere {nice copy), 8* - Stuttgart, 1845 



' The most charming, as well as the most scientifically important of all books of Alpine travel.'— X>. N. B. 



It contains his celebrated glacier theory, and, according "to Prof. Tyndall, is * worth all other books on the subject 

 taken together.' , 



8018 Supplementary Report on Meteorology, 8vo. sewn, 2s Qd .1841 



8019 ———, Two Portraits of, engraved on steel fty Charles Henry Jeens, the one as a young 

 Child, the other in Middle Age, on one plate, PROOF before LETTERS ON India paper, signed by 

 the engraver, Qs ...:..., [Scec. XIX.'] 



