HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 75 



14/3 GASSENDI [recte GASSEND] (Pierre, Ord. Min.) INSTITUTIO ASTRONOMICA juxta Hypo- 



theseis tatn Veterum, quam COPERNICI et TYCHONIS; ejusdem Oratio Inauguralis iteratb edita; 



with woodcuts, 4to. boards, uncut, 12* Qd Parisiis, 1647 



FIRST EDITION, with dedication to Cardinal Richelieu. 'His Institutio Astronomica (1645") is a clear and connected 

 representation of the state of the science in his own day.' 



1474 - EDITIO NOVA; with woodcuts, 12mo. sewn, 5s Londini, 1653 



1475 EDITIO ALTEKA, ultima paulo ante mortem Authoris recognita, aucta et emendata, 



accedunt varii TRACTATUS ASTRONOMICI ; with woodcuts, sm. 4to. old vellum, 15s Hagce-Com., 1656 



This edition contains the author's ' Mercurius ia Sole Visus ' (an account of his observation of the Transit of Mercury in 

 1(131, including his letter to Prof. Schickhard, of Tubingen, on tho subject); ' Proportio Gnomonis ad Solstitialem 

 Umbram ' ; ' Novem Stellae circa Jovein visse, 1642-3 ' ; and ' Parhelia, sive Soles IV Spurii '. 



1476 EADEM ; accesserunt Galilei NUNCIUS SIDEREUS, etKepleri DlOPTBICE, III. Ed. pripribua 



correctior; with illustrations, sm. 8vo. old calf (joints cracked), IQs 6d Londini, 1683 



1477 PHILOSOPHISE EPICURI SYNTAGMA, continens Canonicain, Physicam, et Ethicam, 12mo. 



old calf, 5s &., 1668 



Containing a complete view of the system of Epicurus. 



1478 - The VANITY of JUDICIARY ASTROLOGY, or Divination by the Stars, trans, by a Person of 

 Quality, with fine engraved portrait, large 12mo. sewn (rare], 12s d H. Moseley, 1659 



v. DESCARTES (R.) Meditationes, ante. 



1479 GATTERMANN (Ludwig) The PRACTICAL METHODS of ORGANIC CHEMISTRY, trans, by 

 WILLIAM B. SHOBER, 82 woodcuts, post 8vo. cl., 4s (p. 8s Qd) New York, 1896 



1480 GATTY (Margaret, author of ' Parables from Nature'} The BOOK of SuN-DlALS, 3rd Ed., 

 enlarged, by H. K. F. EDEN and ELEANOR LLOYD, with their CONSTRUCTION by WIGHAM 

 RICHARDSON, numerous woodcuts, cr. 4to. cl., 1. Is 1890 



1481 G[ AUGER (Nicolas)] La MECANIQUE du FEU, ou 1'Art d'en augmenter les Effets, et d'en 

 diminuer la Defense ; I re Partie [seule parue], contenant le TRAITE des NOUVELLES CHEMINEES ; 

 with 12 plates, 12mo. old calf gilt (nice copy], with bookplate of Philip 2nd Earl Stanhope, FM.S., 

 10s Qd 1713 



First edition of one of the earliest works on the technics of ventilation and heating. The presentation inscription from 

 the author to Earl Stanhope, on title is partially obliterated. 



1482 [ ] NOUVELLE EDITION ; with fine front., vignette, and 12 plates, 12mo. contemporary calf 

 gilt, 7s 6d AmsL, 1114 



'Ouvragedans lequel on trouve une grande partie des inventions en ce genre, qu'ona depuis donnees comme nouvelles," 

 Querard, who does not mention this edition. 



1483 - FIRES IMPROVED : a. New Method for Building Chimneys so as to prevent their SMOAKING, 

 made English and improved by J. T. DESAGULIERS, F.R.S., with the manner of making CoAL-FiRES, 

 as useful this New- Way, as the Wood-Fires propos'd by the French Author, with 9 folding plates, 

 12mo. old sheep (rare), 12s 6d 1715 



' The whole suited to the Capacity of the meanest Work-man ' ti'le ; credat Apellaf 



1484 SECOND EDITION, with Appendix, containing several FARTHER IMPROVEMENTS made by 



the Translator and others, front, and 10 plates, 8vo. old calf (1 joint cracked), with curious engraved 

 bookplate of Robert Campbell, 10s Qd 1736 



1485 GATJPP (Johann) GNOMONICA MECHANICA UNIVERSALIS, oder die sehr deutlich und leicht 

 vorgelegte allgemeine MECHANISCHE SoNNEN-UHR-KuNST, in welcher denen Liebhabern diser 

 animi thigen Wissenschafft ein leichter Weg gezeiget vvird, wie alle Arten der Sonnen-Uhren zu 

 verfertigen, und nutzlich zu gebrauchen; mit einer Fortsetzung, rait Tafeln der Sonnen-Hohen, 

 und des Azimuths derselben, und deren nutzlicher Gebrauch u.s.w. ; with very numerous copper- 

 plates, 2 v.: TABULA GNOMONIOE, oder : TAFELN zur MECHANISCHEN SONNEN-UHR-KUNST 

 3 vols. sm. 4to. in 1, contemporary hf. calf gilt (VERY RARE), 3. 3s 



Franckfurt [a. M.], 1120-Lindau, 1708 



Valuable for its illustrations, giving numerous examples of contemporary dials. The work is unknown to Poggendorff, 

 Brunet, Grsesse, and other bibliographers. 



1486 GAURICO (Luca ; Episc. Civitatis Ducalis) EPHEMERIDES recognitae et ad Unguein castigataa, 

 ejusdem Schemata et Prsedictiones ad Annum 1552 ; Isagogicus in totam ferine Astrologiam 

 libellus ; quo pacto aeris qualitas diiudicetur ex Tlieophilp ; Ventorum nomina, ordo, et pro- 

 prietates ; quid lunte peragrationes portendant ex Ephestionis thebani iudicijs ; de concaeptu 

 natorum et septimestri partu ex Valente antiocheo ; ivith diagrams and woodcut initials, thick 

 cr. 4to. old Spanish morocco gilt, 1. 5s Venetiis, Junta, 1533 



The author was professor of mathematics successively at the universities of Bologna, Ferrara, Venice, and Rome, 

 and ultimately Bishop of Civita-Ducale. He combined with his professorial duties that of an astrologer, and consulted 

 by the Prince of Bentivoglio predicted that he would be chased from his principality in less than a year. The 

 unlucky prophet received the cruel punishment of ' estrapado,' but had the satisfaction of seeing his prophecy verified 

 shortly afterwards. 



1487 GAUSS (Johann Karl Friedrich) BEITRAGE zur THEORIE der ALGEBRAISCHEN GLEICHUNGEN ; 

 with plate, 4to. (pp. 34), sewn, 2s Gottingen, 1849 



1488 - METHODE des MOINDRES CARRES : Memoires sur la Combinaison des Observations, 

 traduits par J. BERTRAND, 8vo. hf. brown calf (scarce}. 7s Qd 1855 



1489 THEORIA MOTUS CORPORUM COELESTIUM in Sectionibus Conicis Solem ambientium, 

 editio princeps; with plate, roy. 4to. hf. calf, 12s Hamburgi, 1809 



' A treatise which contributed largely to the improvement of practical astronomy, and introduced the system of 

 curvilinear triangulati on '.IF. W. R. Ball. It contains the four formulas in spherical trigonometry known as 'Gauss's 

 Analogies.' 



1490 - THEORY of the MOTION of the HEAVENLY BODIES moving about the Sun in Conic 

 Sections, trans., with Appendix (pp. 50), by REAR-ADML. CHARLES HENRY DAVIS, U.S.N., plates, 

 4to. cl. (title stamped and cover worn), scarce, 1. Is Boston [Mass.], 1857 



Tha only English translation of this classic work. 



