HENRY SOTHERAN & CO., 140, STRAND, W.C, AND 37, PICCADILLY, W. 245 



4791 TELESIO (Bernardino, Cosentino) De Rerum Natura juxta propria Principia Liber I. et 11. 

 (lenuo editi : De ]iis, qu;e in Akre; et de Terr.e-motibi'S,; Liber L-nicus, editio* princeps : De 

 COLORUM Generatione Opusculuiii, editio princeps: De Mari Liber Unicus, editio princeps 

 —4 vols. 4to. in 1, with vignette on titles, and woodcut initials ; large andjine copies in calf (why 

 rare), £2. 12* 6d Neapoli 1570 



The first is the author's most important work, and historically of great interest as being the first revolt against the 

 Aristotelian basis of physics (for wliich reason it was promptly placed on the Index). The author only recognises 

 three principles : heat and colil, which are immaterial and active, and matter, the leading principle. The tirst two are the 

 active principles which have formed the universe and the earth out of matter, which latter is supjiosed to poasess no 

 active forces in itself. i~«»c 



In astroDonay he declares for a geocentric system. Hearing is caused by the movement of air, while sound is the r«mlt 

 of the mutual and violent concussion of bodies. 



The Telpsian system gained many followers, and exerted a great influence on the philosophical views of his contemp- 

 oraries. Sir F'rancis Bacon, Giordano Bruno, and Caniikinella praise him as the tirst successful o]tponent of the ])eripati)tic 

 school, and his claim to fame still lies in the fact that he was the first to lead natural science into new and more rational 

 channi'ls. 



4792 TENNENT (Sir James Emerson, F.R.s. ; author of ' Ceylon ') Tlie Story of the GuNS, with 

 '^plates, and mimerous woodcvts, post 8vo. cl. {out of print), 3jf 6rf (p. 7« Qd) 1864 



A plea for the Whitworth Gun, and against the Armstrong. 



4793 TESL A (Nikola), The Inventions, Researches, and Writings of; with special Reference to 

 his Work in Polyphase Currents and High Potential Lighting, by Thomas Commkrford 

 Martin, 2nd Ed., with portrait and over 300 illustrations, 8vo. cl. (scarce), \2s Qd New York, 1891 



Including a short Memoir of this remarkable son of a Serb parish priest, and giving the only account of liis inventions, 

 viz., telegraphy through the earth without wires, electric lighting by means of vacuum tubes, pulyphasu alternate 

 current motor, enablir.g transference of electric energy at long ilistances from the source of origin, etc. etc. 



4794 [TESTA (Abate Domenico)] Delia Contemporanea Propagazione de' SuoNi Diversi, 4to. 

 (pp. 43), sewn (no title); rare, Gs 6d [Milano, 17871 



' Blairan avait deja tente do resoudre une partio du probl^mc difllcile c«ntenu dans ce sujet ; mais il I'avait traltt^ en 

 physicien ; I'abbe Testa etablit dans son memoire qu'il on faut chercher I'explication non dans la physique, niais daus la 

 psychologie, et il developpo cette opinion avec beaucoup de talent.'— fet is. 



4795 THACKER (Anthony, author of the Ladies' Diary) MISCELLANY of Mathem.vtical Pro- 

 blems, Vol. I {all pub.), containing a New Method of solvinjj; Oeonietrical Problems ; a Complete 

 Treatise of Spherical Trigonometry ; a Collection of Spherical Problems ; a Variety of (Questions, 

 and Diophantine Problems; Solutions to the Questions in the Gentleman's and Ladies Diary for 

 1743, diagrams, '43: Treatise containing an Entire New Method of solving Adfected 

 Quadratic, and Cubic Equations, with their Application to the Solution of Biquadratic Ones, 

 and New Tables for finding the Roots of Cubics, invented by the late ingenious A. Thacker, 

 calculated and exemplitied by W. Brown, 2nd Ed., '48: BROWN (W., Cleobury Free School) 

 Problems in Practical Geometry, containing Theorems never before made publick, diagrams^ 

 *48 — 3 vols. 8vo. in 1, contemporary calf {rare), 15s Birmingham, 1743-8 



These three works are quite unknown to Lowndes, Watt, Allibone, Poggendorff, etc., nor is anything known of the 

 invent<>r of the new method of solving quadratic and cubic equations. 



4796 THELU (— ) Notice sur les Etais de Mines en France ; with plates of pit-props, etc., 4to. 

 sewn (scarce), bs Qd Impr. Rationale, 1878 



4797 TH^NARD (Baron Louis Jacques) Trait^ de CiiiMiE Eldmentaire, Thdorique, et Pratique, 



5*-' Ed., augmentee ; tvith plates, 5 vols. 8vo. hf. calf, 5s , • 1827 



4798 [llEiMPRESSiON de la Sixieme et Derniere Edition], avec Es.sai sur la Philosophio 



Chimique, et Prdcis sur 1' Analyse, 2 vols. roy. 8vo. hf. calf {binding of v. II damaged), 5$ 



iiruxdles, 1830 



' Malgre les recentes ddcouvertes, cet ouvrage jouit encore aujourd'hui d'une grandeautorit^. '—Bjoi^r. Ciin. Tlia author 

 discovered hydrogen peroxide, and in 1811, in conjunction with Oay-Lusiac, the elementary analysis in chemistry. 8eo 



No. 14(».S, ,tnt>'. 



4799 THEODOSII Tripolitae Sphaericorum Libri (1G12)— v. Clavius, ante. 



4800 THEONIS Smyrnaei, eorum, quje in Mathematicis al Platonis Lectionem utilia sunt, 

 Expositio, Gnece, nunc primum edita, L.\TINA VERSIONS ac Notis illustrata ab IsMAKLK 

 BULLIALDO, editio princeps, 4to. large and sound copy in contemporatv limp vellum, with book- 

 plate of Philip 2nd Earl Stanhope, F.B.S., and MS. note in Latin by nim concerning the author 

 {rare), 10s 6rf Lutetiie Paris., 1644 



4801 Eadem, Graece ; Bullialdi Interpretationem Latinara, Lectionis Diversitatem suamque 



Annotationem addidit J. J. de Gelder, 8vo., Vellum Paper Edition ; »eu>M, uncut, 4*6rf 



Lugd. Bat., 1827 



4502 Eadem, Graece : Exposition des Connaissances Mathdmatiquea utiles pour la Lecture de 



Platon, traduite pour la premiere Fois du Grec en Fran^ais par J. DUPUIS ; avec Epilogue : Le 

 Nombre de Platon (Memoire definitif) ; with woodcuts, roy. 8vo. sewn, 4» 1892 



4503 Liber de Astronomia, cum Sereni Fragmento: Textum primus edidit, I^vtine vertit. 



Descriptionibus Geometricis, Dissertatione et Notis illustravit Th. H. Martin ; accednnt nunc 

 primum edita Georgh Pachymeris e Libro Astronomico delecta Fragmenta, etCiiALCiDll Locus 

 ex Adrasto vel Theone expressus ; with ^plates and 2 folding fss., 8vo. hf. roan gilt (scarce), 

 125 Parisiis, e Reipuhlicte Typographeo^ 1849 



The only edition of the work ever published, produced at the cost of the short-lived Itepubllc of 1848. 



V. PtolkM/EUS, No. 3848, ante. 



4804 THERMOSIPHON, Pratique de 1'Art de Chauffer par le, ou CALORiFfeRE h. Eau 

 Chaude ; avec les Eltets de la Chaleur, les Causes du Mouvement de I'Eau, les difTj^rents 

 Appareils applicables au Cbauffage des Serres et des Habitations, leur InHuence sur la Sante des 

 Hommes et des Plantes, par A***, Membrc des Soci6t<is d' Horticulture de Paris ; toith 21 copper- 

 plates, oblong 4to. sewn {scarce), 7s Qd 1844 



