HEXKY SOTHEUAN ik CO , 140, STRAND, W.C , AND 37, PICCADILLY, W. 75 



1473 GASSENDI [rede GASSEND] (Pierre, Ord. Min.) Institutio Astronomica juxta Hypo- 

 theseis tarn Veterum, quam Copernici et Tychonis; ejusdem Oratio Inauguralis iterate edita; 

 with woodcuts, 4to. boards^ uncut, \2s 6d Paristis, 1647 



First Edition, with dedication to Cardinal Rirhelieu. 'His Institutio Astronomica (1647) is a clear and connected 

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



1474 Editio Nova ; ivith woodcuts, 12mo. sewn, 5s Londini, 1653 



1475 Editio Altera, ultima paulo ante mortem Authoris recognita, aucta et emendata, 



accedunt varii Tractatus Astronomici ; with woodcuts, sm. 4to. old vellum, \5s Hagce-Com., 16o6 



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

 1031, including his letter to Prof. Schickhard, of Tiibingen, on tho subject); ' Pro port io Gnomonis ad Solstitialem 

 Uaibram ' ; ' Noveni Stellie circa Jovem visie, 1642-3 ' ; and ' Parhelia, sive Soles IV Spurii '. 



1476 ;• Eadem ; accesserunt Galilei NuNCius Sidereus, etKepleri Dioptrice, III. Ed. prioiibus 



correctior; with illustrations, hhi. 8vo. old calf (joints cracked), 10* %d Londini, 1683 



1477 Philosophl« Epicuri Syntagma, eontinens Canonicam, Physicam, et Ethicam, 12rao. 



old calf 53 ib.y 1668 



Containing a complete view of the aystem of Epicurus. 



1478 — The Vanity of Judiciary Astrology, or Divination by the Stars, trans, by a Person of 



Quality, with fine engraved portrait, large r2nio. sewn (rare), 12s hi H. moseley, 1659 



V. Descartes (R.) Aleditationes, ante. 



1479 GATTERMANN (Ludwig) The Practical Methods of Organic Chemistry, trans, by 

 William IJ. Shober, 82 woodcuts, post 8vo. cL, As (p. Ss 6oO 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 

 KiCHARD.soN, numerous woodcuts, cr. 4to. cL, £1. Is " 1890 



1481 G[AUOER (Nicolas)] La M^:canique du Feu, ou I'Art d'en augmenter les Etfets, et d'en 

 diminuer la Ddpense ; pe Partie [seule parue], eontenant le Trait6 des Nouvelles Chemini^es; 

 with VI plates, 12mo. old calf gilt {nice copy), with bookplate of Philip 2nd Earl Stanhope^ F.R.S.^ 

 lOiQd 1713 



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

 tho author to Earl Stanhop^on title is partially obliterate<i. 



1482 [ ] NouVELLE Edition ; with fine front. ^ vignette, and 12 plates^ 12nio. contemporary calf 



gilt. Is Qd Amst'.,\lH 



' Ouvragedans lequel on trotivc nne grande partie des inventions en ce genre, qu'ona depuis donndes comnie nouvelles,' 

 —Quirard, who does not mention this edition. 



1 483 Fires Improved : a New Method for Building Chimneyn so as to prevent their Smoaking, 



made English and improved by J. T. Desaguliers, F.R.S., with the manner of making COAL-FlRES, 

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

 1 2mo . old sheep ( rare) ,\2sQd 1715 



' The whole suited to the Capacity of the meanest Work-man '— ti'h ; credo.t Apella.' 



1484 Second Edition, with Appendix, containing several farther Improvements made by 



the Translator and others, /row ^ awe? 10 plates, 8vo. old calf [1 Joint cracked), with curious engraved 

 book /date of Robert Campbell, 10s Qd 1736 



1485 GAUPP (Johann) Gnomoxica Mechanica Universalis, oder die sehr deutlich und leicht 

 vorgelegte allgemeine Meciianische Sonnen-Uhr-Kunst, in welcher denen Liebhabern diser 



- anmuthigen \Vi.s.senschaft't ein leichter Weg gezeiget wird, wie alle Arten der Sonnen-Uhren z\x 

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

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

 plates, 2 v.: Tabula. Gnomonic.e, oder: Tafeln zur Mechanischen Sonnen-Uhr-Kunst— 

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



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

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

 Brunct, Grssse, and other bibliographers. 



1486 GAUBICO (Luca ; Episc. Ctyi7a/t* Z)Mca7w) Ephemerides recognitre et ad L^nguem castigatoa, 

 ejusdem Schemata et Prnedictiones ad Annum 1552 ; Lsagogicus in totam ferme Astrologiam 

 hbellus; quo pacto aeris qualitas diiudicetur ex Theophilo ; Ventorum nomina, ordo, et pro- 

 prietates ; quid luucne peragrationes portendant ex Epheptionis thebani iudicijs ; de concaeptu 

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

 or. 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 'ostrapado,' but had the satisfaction of seeing his prophecy verified 

 shortly afterwards. 



1487 GAUSS (Johann Karl Friedrich) Beitrage zur THEORiEder algebraischen Gleichungen ; 

 tcith plate, ito. (pp. 34), sewn, 2s Gottingen, 1849 



1488 Ml^THODE des Moindres Carres : M^moires sur la Combinaisou des Observations, 



traduits par J. Bertrand, 8vo. hf. brown calf {scarce). Is 6d 1855 



1 1^9 Theoria Motus Corporum Coelestium in Sectionibus Conicis Solem ambientium, 



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



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



curvilinear triangulation'.— ir. 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 



Tho only English translation of this classic xrork, 



6 • 



