HENRY SOTHERAN & CO., 140, 8TRAND, W.C., AND 37, PICCADILLY, W. 7t 



1506 GEOLOGICAL SURVEY of GT. BRITAIN, MEMOIRS of the, and of the MUSEUM of ECONOMIC 

 GEOLOGY in London, with numerous fine plates by J. W. Lowry, plans, and maps (mostly folding and 

 COLOURED), 2 v. in 3 : The GEOLOGY of the ISLE of WIGHT, by HENRY WILLIAM BRISTOW, F.R.S., 

 2nd Ed., by CLEMENT REID and AUBREY STRAHAN, numerous woodcuts and 5 fine folding plates 

 and plans 3 vols. impl. 8vo. in 4, cl., 15s 184G-8-89 



Including Mining and Metallurgy, and containing contributions by Edward Forbes, Sir William Jackson Hooker, Robert 

 Hunt, Sir Henry Thomas de la Beche, John Phillips, Lord Playfair, FF.R.S., John William Salter, and Sir Warington W. 

 Smyth. 



1507 GEORGE (John ; Irish Judge) The CAUSE of DRY ROT DISCOVERED, with a Patent Invention 

 for preserving Decked Vessels from it, and Goods on Board from Damage by Heat, 4 plates, 8vo. 

 boards, uncut, 6s 1829 



1508 GERARD (Eric, Univ. Liege] ELECTRICITY and MAGNETISM, trans, from the 4th French 

 Edition, under the Supervision of DR. Louis DUNCAN, by R. C. DUNCAN, illustrated, roy.Svo. cl., 

 4s (p. 105 Gel nett) New York, 1897 



1509 GERHARDT (Charles) TRAITE de CHIMIE ORGANIQUE ; with woodcuts, 4 vols. 8vo. hf. calf 

 gilt (SCARCE \ 1.1 s6d Didot, 1853-6 



1510 - ANOTHER COPY, mottled calf gilt, 1. 10s 



This great work embodies all the author's ideas and discoveries, and for the first time elaborates his system of chemical 

 types, the basis of structural chemistry. It is out of print, and becoming increasingly rare. 



1511 , et G. CHANCEL: PRECIS d'ANALYSE CHIMIQUE QUALITATIVE; with 48 woodcuts, 



fcap. 8vo. hf. calf, with Prof. Williamson's auto. (SCARCE), 10s 6d 1855 



' His first attempt at the classification of organic compounds is contained in the Precis de Chimie Organique.'Prof. 

 E. v. Meyer. 



1512 GERHARDT (C. J.) GESCHICHTE der MATHEMATiKin DEUTSCHLAND, 8vo. sewn (scarce], 6s 



Miinchen, 1877 



1513 GERLACH (J.) Die PHOTOGRAPTIIE als HULFSMITTEL MIKROSKOPISCHER FORSCHUNG; with 4 

 photographic plates, and 9 woodcuts, 8vo. limp cl., 2s Qd Leipzig, 1863 



1514 [GESNER (Conrad, f the German Pliny')] The TREASURE of EUONYMUS, conteyninge the won- 

 derfull hid secretes of nature, touchinge the most apte formes to prepare and destyl Medicines, for 

 the conseruation of helth : as Quintessece, Aurum Potabile, Hippocras, Aromatical wynes, Balmes, 

 Gyles, Perfumes, garnishyng waters, and other manyfold excellent confections. Whereunto are 

 ioyned the formes of sondry apt FORNACES, and vessels, required in this art. Translated (with 

 great diligence, & laboure) out of Latin, by PETER MORWYNG felow of Magdaline Colleadge in 

 Oxford, first English edition, with numerous woodcuts, sm. 4to., frlacft Utter ; hf. calf (last leaf of 

 table wanting and one leaf slightly defective, otherwise A VERY SOUND AND CLEAN COPY with ample 

 margins], 4. 10s John Daie [1559] 



FIRST ENGLISH EDITION and EXCESSIVELY RARE. Although mainly of pharmaceutical interest, this curious work con- 

 tains a number of chemical processes in vogue at the time, well illustrated by a number of woodcuts. Some chapters 

 interesting to the historian of chemistry are : What destination is ; of vessels and instruments belonging to destination ; 

 of the matter for vessels of destillacion ; of fornaces ; how to close vessels and to defend them, bothe with clay and other- 

 wise ; of the preparation for destination ; of the rectificatio of liquors destilled ; destillacion by a filter ; of burning water 

 or single aqua vitce ; of things to be destilled dry; of quintessence of metals ; of the drawing oute of quintessence from 

 Antimonia, lead, whit lead ; etc. etc. etc. 



1515 GHALIGAI (Francesco) PRATICA d' ARITHMETICA, rivista e ristampata con Diligentia ; with 

 vignette on title, sm. 4to. old hf. vellum (FINE TALL COPY), VERY RARE, 2. 10s 



Firenzc, Bern. Giunti, 1543 

 This copy has at end 4 pp. on Commercial Arithmetic, in a contemporary hand, ADDED. 



1516 - - LA STESSA, nuovamente rivista, e con somma Diligenza ristampata; with vignette, on title 

 and last leaf, sm. 4to. old limp vellum (FINE LARGE COPY) ; RARE, 1. 10s ibidem, i Giunti, 1552 



1517 - - ANOTHER COPY, with title, etc. mended ; sewn, 1. Is 



' C'est surtout comme repertoire historique que cet ouvrage acquiert de 1'importance. Moms diffus que celui de Pacioli, 

 il a dft avoir plus d'influence sur 1'etude des mathe"matiques. C'est un resume fort bien fait de tout ce qu'on savait alors. 

 II se distingue sous ce rapport de tons les traites precedents.' Libri. 



Both the above editions were unknown to Prof, de Morgan, and are very rare. 



GHETALDI (Marino) v. APOLLONIUS PERG^US, ante. 



1518 GIACOMELLI (Francesco) PRIMA e SECONDA SERIE di MISURE MICROMETRICHE <li STELLE 

 DOPPIE fatte al K. Osserv. del Campidoglio, impl. Svo. sewn, 2s Roma, 1890 



1519 GIANNINI (Pietro) OPUSCULA MATHEMATICA; with folding plates, 4to. old hf. parchment, 

 with booklabel of Sebastiano Cantenzani, Prof, of Mathematics, Bologna (1734-1819), 7s ParmtE, 1773 



1520 - ANOTHER COPY, contemporary tree-calf extra (fine tall cony], with bookplate of Charles 

 3rd Earl Stanhope, F.R.S., 8s Qd 



Unknown to Poggendorff, and containing ' De hydraulica ; de cycloide contracta ac protracta ; desectionedeterminata '. 



1521 GIBERNE (Agnes) The OCEAN of AIR, with Preface by C. PRITCHARD, pr., F.R.S., 16 plates, 

 post 8vo. cl., 2s 6d (p. 5s) 1891 



1522 GIBSON (Robert) TREATISE of PRACTICAL SURVEYING, with the Method of Tracing Defaced 

 Mearings from the Down (or any other) Survey, 3rd Ed., plates, Svo. old sheep, 3s Qcl 1768 



1523 GIFFARD (Paul) SOLUTION du FROID INDUSTRIEL ; plate of the author's ice-making machinery, 

 roy. 8vo. (pp. 43), sewn, 2s [1875] 



1524 GILL (Augustus Herman, Mass. Inst. Technology] GAS and FUEL ANALYSIS for ENGINEERS, 

 illustrated post Svo. cl., 2s Gd (p. 5s Qd nett) Neiv York, 1896 



1525 GILLISS (Capt. James M., U.S.N.) CATALOGUE of 16,748 SOUTHERN STARS deduced by the 

 U.S. NAVAL OBSERVATORY from the Zone Observations made at Santiago de Chile by the U.S. 

 Naval Astronomical Expedition to the Southern Hemisphere, 1849-52 [pp. 420 and Introduction, 

 pp. Ixvi], plate and woodcuts, 4to. cl., 10s Qd Washington, 1895 



