HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 765 



15221 TELFOBD (Thomas, C.E.), LIFE of, written by himself, containing a Descriptive Narrative 

 of his Professional Labours, edited by JOHN RICKMAN, one of his Executors, with Preface, 

 Supplement, Annotations, and Index, with vignettes on steel and plate of medals, thick 4to., also 

 Atlas, containing 83 plates, roy. folio 2 vols. hf. cL, 1. 5s (p. 8. 8s) * 1838 



' In this volume Telford's accounts of his various engineering enterprises, great and small, are ample and luminous. 

 Rickman added biographical traits and anecdotes of him. The supplement contains many elucidations of his professional 

 career and a few of his personal character, among the former being his reports to Parliament, etc., and those of 

 Parliamentary Commissioners under whose supervision some of the most important of his enterprises were executed. In 

 one of the appendixes his poem on ' Eskdale' is reprinted. There is also a copy of his will.' D. N. B. 



15222 TERZI (Luigi) GNOMONICA GRAFICA, ossia Metodo facile per disegnare ogni Sorta d' OROLOGI 

 SOLARI SENZA 1'Uso della BUSSOLA, e preceduto dalle Nozioni della Sfera Celeste ; with 17 plates 

 (9 folding], 8vb. sewn, 5s Torino, 1823 



15223 THALEN (Tobias Robert; Univ. Upsala) MEMOIRE sur la DETERMINATION des LONGUEURS 

 d' ONDE des RAIES METALLIQUES ; with large folding plate, 4to. (pp. 38), sewn (scarce], 5s Qd 



Upsal, 1868 



The author here advocates wave-length as the standard of measure in spectroscopy, against the untrustworthy 

 refraction spectrum used by Kirchhofi'. This method was adopted in the same year in the great map of the 'normal 

 solar spectrum, published by Angstrom and the author. 



15224 Sur le SPECTRE du FfiR obtenu a 1'Aide de 1'Arc Electrique, 4to. (pp. 49), sewn, 3s 



ibidem, 1885 



15225 Om SPEKTRA, tillhb'rande YTTRIUM, ERBIUM, DIDYM och LANTHAN; with folding plate, 



roy. 4to. (pp. 24), sewn, 3s 6d Stockholm, 1874 



15226 THENARD (Louis Jacques Baron; de VInstitut, F.R.S.) TRAITE de CHIMIE, Elementaire, 

 Th6oriquc et Pratique, 2 e Edition, revue et corrigee ; with plates, 4 vols. 8vo. boards, uncut (nice 

 copy), with fine bookplate of Dr. Priestley, 5s 1817-18 



15227 - SIXIEME [DERNIERE] EDITION [augmentee] , avec un Essai sur la Philosophic Chimique 

 et un Precis sur 1'Analyse, 5 vols. ; with Atlas, containing 21 foldinq plates 6 vols. 8vo. hf. calf 

 gilt, 126- 1834-5 



'Thenard's Traite de Chimie, a text-book which was most widely used, thanks to the happy synoptical arrangement of 

 its contents, was of great merit.' Prof. E. v. Meyer. 'Malgre les recentes decouvertes, cet ouvrage jouit encore 

 aujourd'hui d'une grande autorite.' Biogr. Gen. 



15228 TREATISE on the GENERAL PRINCIPLES of CHEMICAL ANALYSIS, translated by ARNOLD 



MERRICK, with 3 plates and folding table, 8vo. hf. calf (scarce), 10s Qd 1818 



The author discovered hydrogen'peroxide, and in 1811, jointly with Gay-Lussac, the elementary analysis in chemistry. 

 See Nos. 8314-15, ante. 



v. MEMOIRES de PHYSIQUE et de CHIMIE de la SOCIETE d'ARCUEiL, No. 11743 ante. 



15229 THEODOSII Tripolitae SPH^RICORUM ELEMENTORUM Libri III, ex Traditione [FRANCISCI] 

 MAUROLYCI, Messanensis Mathematici. Menelai SPHJERICORUM Libri III, ex Traditione 

 eiusdem. Maurolyci SPH^RICORUM Libri II. Autolyci de SPII^RA qua? movetur Liber. 

 Th.eod.osii de HABITATIONIBUS. Euclidis PHENOMENA brevissime demonstrata. Demonstratio 

 et Praxis trium TABELLARUM sc. Sinus recti, Fcecundse et Beneficse ad Sphseralia Triangula 

 pertinentium. COMPENDIUM MATHEMATICS mira Brevitate ex clarissimis Authoribus. Maur- 

 olyci de SPH^ERA Sermo ; with vignette of armillary sphere on title, and numerous diagrams on 

 margin, folio, unbound (badly water-stained, and ^ title slightly defective}; excessively rare, 

 3. 3s (col. :) Messance, Petrus Spira, 1558 



'L'edition, ayaut ete completement perdue dans un naufrage, ne fat reimprimee que longtemps apres la mort de 

 Maurolico, a 1'aide d'un exemplaire retrouvd en 1681.' Biogr. Gen. 



'Ce volume est si rare en Allemagne, que, malgre le temoignage de Nic. Heinsius, 1'existence en a paru douteuse 

 a Ebert.' Brunei. The Libri copy fetched 130 francs in 1857. 



'II Sig. Libri che pure nella sua storia cida una breve ma esatta notizia sulla vita e le opere del Maurolico, non fa 

 menzione di questo libro rarissimo. Anzi mi sembra che questa opera sia appnnto qraella raccolta d'awtori greci di cui il 

 Maurolico nella sua cosmografia annunziava la traduzione, e della quale il medesimo Sig. Libri deplora la perdita.' 

 Riecardi, 



15230 SPH^ERICORUM Libri III, a CHRISTOPHORO CLAVIO, S.J., perspieuis Demonstrationibus 



ac Scholiis illustrati : item eiusdem Christophori Clavii Sinus, Linese Tarigentes et Seeantes, 

 Triangula Rectilinea atque Sphserica ; with numerous diagrams, 4to. old white vellum (some II. 

 browned, otherwise a FINE COPY), 15* Romte, Dom. Basa, 1586 



15231 THETI [o TETI] (Carlo) DISCORSI delle FORTIFICATION I, Espngnationi, e Difese delle Citta, 

 e d'altri Luoghi, oue difFusamente si demostra, quali debbano essere i Siti delle Fortezze, le 

 Forme, i Recinti, Fossi, Baloardi, Castelli, ed altre Cose b loro appartenenti, con le Figure di esse ; 

 hora di nuovo ricorretti ed ampliati ; with full-page plans, and numerous woodcuts, large folio, old 

 vellum extra, with Jesuit arms on sides (back damaged, otherwise a very sound and clean copy}, 

 1- Is Venetiet, Franc, de Franceschi Senese, 1589 



' Scarce ; unknown to Cicognara.' Libri Catalogue. The above edition is the best ; it was reprinted in 1617. The work 

 is interesting for containing illustrations and descriptions of contemporary surveying instruments. The abore copy 

 contains the cancelled title, dated 158S. 



15232 THEVENABD (Vice-Amiral Antoine Jean Marie Comte) MEMOIRES relatifs k la MARINE ; 

 with 33 folding copperplates, 3 maps, and 21 foldinq tables, 4 vols. 8vo. old calf gilt (SCARCE), 

 1. Is An VIII [1800] 



' C'est Thevenard qui donna le plan des deux premieres canonnteres faites en- France.' Bwg: Gen. 



The work deals mainly with naval architecture. Vol. I contains an interesting memoir on the origin of the jnariner's- 

 compass, and v. II one on the Language and Antiquities of Brittany. 



There was no copy of the work in the Scott Library, nor is there one in that of the Institution of N-aval Architects. 



15233 THIBAUT (P., Chymist to the French King) The ART of CiiYMlSTRY, as ife is now practised, 

 now translated by a FELLOW of the ROYAL SOCIETY, 12mo.. sewn (rare), 15s J. Starkey, 1668 



Unknown to "Watt, Brunet, Graesse, Poggewdorff, and others, and containing much pharmaceutical 1 matter ; also *t end 1 , 

 ' A Little Treatise of Chymistry : or, an Abridgement of the precedent Treatise ' (pp. 3D)i 



