HENRY SOTHERAN & CO., 140, STRAND, W.C. AND 37, PICCADILLY, \V. 189 



3743 POZZO (Agostino dal, hie AUGUSTINUS A PUTEO, J. U. D. ac MatheHphilus) Gnomonices 

 BiFORMis, Gkometric.«, «c., et Arithmetics Synopsis; with front., plate, and numerous other 

 engravings on copper in text, 4 vols. 4to. in 1, white limp vellum (2 holes in title, but a sound copy), 

 £2. 2s Venetiis, 1679 



A VERY RARK WORK, which seems to be quit* unknown to bibliographers. e.(j., Pogjjei.dorff, Montucla, Grftc«M, or 

 Brunet, nor does anythini; seem to be known of the author, who is not included In the lititqrapKxt (irntrale. 



Part II contains * 1)« llorolo^^iis Solaribuii describendiH per Tabulas GnomonicaM ; Tabularum Gnonionicaruni Usus per 

 Peripheriam et Rcgulam ' ; and * Tabulte Gnoinonicic CLXXXI V, pro Delineaiidis Sciatheridii Italicltt ct Babylouicis ', etc. 

 entjraced oa 181 jyp. 



3744 P&A.TT (Henry, m.d.) Principia Nova Astronomica, with 44 plates, 4to. cl. gilt {out of 

 print). Is 6d 1894 



Propounding a 'quaternary solar system', making the sun tn revolve round an equatorial sun. the latter round a ttolar 

 sun, and that round the central sun, the centre of the universe. None of these suns are supposed to be luminous, and the 



work is niolestly prefaced by 'f/wu credet' f 



3745 PRATT (Henry F. A., m.d.) On Eccentric and Centric Force: a New Theory of Pro- 

 jection, with 26 diagrams, large 8vo. cl. (scarce), 10* 6rf 1862 



• Dr. Pratt not only upset^t Newton, but cut* away the very ground he stands on : for he destroys the flmt Uw of 

 motion, and will not have the natural tendency of matter in motion to be rectilinear. This was also John Walsh's notion.' 

 — Prof, de Morgan's Uudijet of J'aradoves. 



3746 On Orbital Motion : the Outlines of a System of Physical Astronomy, diagrams, 



8vo. cl. (scarce), lOs 6d 1863 



' In this work Dr. Pratt insists that the precession of the equinoxes is caused by the motion of the solar system round a 

 distant central sun. In it the author refers to a few notes, which completely destrov the theory of gravitation in terms 

 '{lerfectly intelligible as well to the unl<>arne<l as to the learntil ' : to me they are quite unintelligible, which rather tends 

 to conJlrni a notion 1 have long had, that I am neither one thing nor the other.'— 7</*^in. 



3747 PRATT (John Henry, f.R.S., Archdn. of Calcutta) The MATHEMATICAL PRINCIPLES ( t 

 Mechanical Philosophy, and their Application to the Theory of Universal Gravitation 

 with b folding plates, thick Svo. boards, uncut, 5s Cambridge, 183tt 



3748 Second [last] Edition, revised and improved, with 5 folding plates, thick 8vo. hoards, 



uncut Is (p. £1. \s) ib., 1842 or '6 



3749 Another Copy, 8vo. tree calf extra, 9* t6., 1845 



This work was largely made use of by Prof. Todhunter in his ' Analytical Statics.' 



3750 Treatise on Attractions, Laplace's Functions, and the Figure of the Earth, 



4th Ed., with diagrams, post Svo. hf. calf gilt {slightly wormed), 8« 6rf 1871 



Last Edition, and now out of print and scahck. 



' The distinction between the coefficients and functions of Laplace is given for Uie flrnt time to my knowledge in Prttt't 

 • Figure of the Earth.' '—Prof. Todhvnter. 



3751 PRECHTL (Johann Joseph v.) Praktische Dioptrik als vollsUindige und Kemeinfaasliche 

 Anleitunj,' zur Verfertigung achromatischer Fernrohrk, nach den neuesten Verl>ej*«eningen 

 und Hiilfsmitteln und eigenen Erfahrungen ; with 4 folding plates, Svo. original hf. roan gilt, 

 g. e.. Is Qd Wicn, 1828 



3752 PREECE (Sir William Henry, f.r.s.), and Julius MAIEB: The Telephone, with 290 

 illustrations, thick cr. Svo. hf. morocco neat {title stamped) ; out of print, 6s Gd (p. 12* 6d) 1889 



3753 , and Sir James SIVEWRIGHT, g.p.o. : Telegraphy, first edition, with 161 wood- 

 cuts, post Svo. cl., 2s Qd 1876 



3754 New Edition, greatly enlarged, with 267 woodcuts, post Svo. cl., 3s 6d (p. 7» 6rf) 



1901 or '08 

 ' An excellent manual '.—Pro/. SUranua Thompson. 



3755 PRESCOT (Bartholomew, Etruria) Defence of the Divine System of the World ; which 

 represents the Earth as being at Rest, and the Heavenly Bodies in Motion about it; with a 

 Demonstration of the Fallacy of the Solar System, invented by Pythagoras, revised by 

 Copernicus, and established by Sir Isaac Newton, with a Keply to an Anonymous Cxiixc, front. 

 (pp. 9S) : Reply to Jonathan Banks in his Attack on • A Defence ' (pp. 48)— 2 vols. Svo. sewn 

 {rare), \2s %d Liverpool, 1803-4 



Prof, de Morgan in his Budget of Parodoxes states that he had never neen a copy of this cnrioas utronomlcal paradox. 



3756 The System of the Universe, in which the Unchangeable Obliquity of the Ecliptic ; the 



Solar and Lnnar Equations, deduced from Circular Orbits; and the Direct, Retrograde and 

 Stationary Appearances of the Minor Planets, are mathematically DEMON.strated, on the 

 Basis of the First Chapter of Genesis. Book II., with a Review of the Reviewers, and a 

 Letter to John Pond, f.r.s., Astronomer Royal, with plates, Svo. boards, uncut (rare), 15* tb., Ii23 



The author describes himself as the author of • The Inverted Scheme of Copernicus ' ; the present work U an expo«ur« 

 of the Baseless Fabric of the Newtonian System. Prof, de Morgan, who budgets two of the author's other tooolcs in HI* 

 ' Paradoxes ', was unaware of this one. 



S757 PRESCOTT (George Bartlett) Bell's Electric Speaking Telephone : it« Invention, Con- 

 struction, Application, Modification, and History, with plates, and about 330 woodcuts, 8vo.cl,, 

 5s 6rf (p £1 Is) ^^^ ^^^' ^^** 



3758 1" History, Theory, and Practice of the Electric Telegraph, flret edition, irt^A/r<wi<. 



and 98 woodcuts, large post Svo. cl.,Ss , , JJ<^^^ FifoM.] ,1860 



3759 The Speaking Telephone, Electric Light, and other recent Electncal Inventions, 



foldingfront. and 321 woodcuts, Svo. cl. {out ofpritit), 4s {p. \2sQd) ^S?o !/ J 



3760 The Speaking Telephone, Talking Phonograph, and other Novelties, 208 v^oodcuU, 



Svo cl As *^*' '*'° 



3761 PRESTON (Thomas, Roy. Univ. Ireland, F.R.S.) The THEORY of Heat, with 190 Ulustrations, 

 thick Svo. cl., Ss (p. 17* nett) „ j2oa 



3762 The Theory of Light, 205 diagrams, Svo. cl., 5s (p. 12* 6d) l»W 



