174 HENRY SOTHERAN & CO., 140, STRAND, W.C, and 37, PICCADILLY, W. 



3459 PARIS da MONTEFANO (Ludovico, Ord. Mm.) Scala d' Araceli Moltiplicata. Opera 

 plena de meraviglie, dove per molte vie si mostra, come in rebus creatis no si trova cosa, eh' in 

 quantita numerica arrivi al numero prodotto dalla moltiplicatione dupplicativa fatta sopra tutti h 124 

 ^radiui di detta scalinata: eccettuati li gradi della gratia santiticante della Madre de Dio; li 

 quali lo superano quasi infinite, sni. 4to. old hf. morocco gilt, Ids Roma, 1652 



Very rare, aud unknown to Poggendorff, Brunet, Graesse, etc. ' An exceedingly scarce and curious working of a sum 

 in prosression.' — Libri. _ r^ 7 . 



3460 PARKER (J., St. John's Coll., Cantah.) ELEMENTARY THERMODYNAMICS, numerous diagrams, 

 cr 8vo. cL, 45 U (p. 9*) Univ. Press, Cambridge, 1891 



3461 PARKES (Samuel, manufacturing chemist) Chemical Catechism, with copious Notes, 

 Vocabulary of Chemical Terms, useful Tables, and instructive and amusing Experiments, 

 2nd Ed., with considerable Additions, front., thick Svo. boards, uncut {back torn off). Is 6d 1807 



The most popular of the author's works, which went through numerous editions. 



3462 PARKINSON (James, Hoxton) The Chemical Pocket-Book ; or Memoranda Chemica ; 

 ^arranged in a Compendium of Chemistry, 3rd Ed., with the Latest Discoveries, engraved front. 



of Economical Laboratory, and vignette, fcap. Svo. hf. bound {water-stained), 3s Qd 1803 



The author a surgeon in Hoxton, is best known for his ' Organic Remains of a Former World,' whose appearance 



Dr Martell considered ' a memorable event in the history of British Paheontology.' He was also examined before the 



Privy Council in connexion with the ' Pop-Gun Plot' to assassinate George III. at the theatre by means of a poisoned dart. 



3463 PARKINSON (Stephen, d.d. ; St. John's Coll., Cantab. ; F.R.s.) Elementary Treatise on 

 Mechanics, with Examples, 2nd Ed., revised, diagrams, post 8vo.c^. {cover soiled), 2sQd{^. 9s6of) 



Cambridge, 1861 



3464 Third Edition, revised, diagrams, post Svo. cl., 35 Qd (p. 9s 6c?) ibidem, 1863 



3405 Treatise on Optics, 2nd Ed., revised, diagrams, post Svo. cl., Zs (p. \OsQd) 1866 



3466 Third Edition [enlarged], diagrams, post Svo. cl., As (p. IO5 M) 1870 



3467 Fourth [last] Edition, revised, diagrams, post Svo. cl., 5s (p. IO5 6d) 1884 



Prof. Parkinson was Senior Wrangler in 1845 when the late Lord Kelvin was second. ' In the 18 years of his tutorship 



nearly a thousand pupils passed under his care, and ' Parkinson's side ' was an important factor in the prosperity of St. 

 John's College.'— D. N. B. The retable in the new Chapel is in his memory. 



3468 PARNELL (Col. the Hon. Arthur, r.e.) The Action of Lightning, and the Means of De- 

 fending Life and Property from its Effects, cr. Svo. cl. {out of print), Ss Qd (p. 7^ 6d) 1882 



3469 PARR (G. D. Aspinall) Electrical Engineering in Theory and Practice, icith 282 illus- 

 trations, Svo. cl., t. e. g., Ss Qd (p. 12s nett) 1906 



3470 PARSEY (Arthur ; miniaturist) The Quadrature of the Circle discovered. Submitted 

 to the Consideration of the Royal Society, on whose Protection the Author humbly throws him- 

 self, with folding plate, Svo. (pp. 24), sewn {rare), 10s Qd printed for the author, 1832 



With author's inscription to Patrick Kelly, ll.d., mathematician (1756-1842), and MS. note by the former. The author, 

 who also distinguished himself as a paradoxer on perspective, found 3.0625 as value for n. 



3471 PARSHALL (Horace F., m.ic.e.), and Henry Mete alf HOB ART, m.i.e.e. : Electric 

 Railway Engineering, with 437 illustrations, including many folding plates, thick 4to. cl., 

 £1. 10s (sells £2. 2s nett) 1907 



3472 PARTINGTON (Charles Frederick) Historic and Descriptive Account of the Steam 

 Engine, comprising the various Modes of employing Elastic Vapour as a Prime Mover in Me- 

 chanics ; with Appendix of PATENTS and Parliamentary Papers, S fine folding plates on copper 

 of historic engines, besides woodcuts, Svo. boards, uncut. Is Qd 1822 



Containing a bibliography on the subject from 1629 to 1822. 



3473 PASCAL (Blaise) OEuvres [Completes, publiees, avec Discours sur sa Vie et ses Ouvrages 

 (pp. 119), par Charles Bossut, s.j.] ; with engraved portrait, and woodcuts, 5 vols. Svo. old calf 

 gilt {binding slightly damaged), £1. 1* La Haye [Paris], 1779 



Still a much esteemed edition, containing Nicole's elogUm, and the epitaph by Proust de Chambourg. Vols. 4 and 5 

 comprise Pascal's mathematical writings, and vol. 3 pieces attributed to him. 



3474 CEuvRES Completes [avec sa Vie par Mme. Perier (Gilberte Pascal)] ; with dia- 

 grams, 3 vols, post Svo. cl., 5s 1882-1-0 



Including the mathematical works. 



3475 [ ] Lettres de A. Dettonville, contenant quelques-nnes de ses INVENTIONS de Geo- 



METRIE, scavoir la Resolution de tons les Problemes touchant la Roulette, I'Egalit^ entre les Lignes 

 courbes de toutes sortes de Roulettes, et des Lignes Eliptiques, I'Egalite entre les Lignes Spirale, 

 et Parabolique, etc. etc. etc., premiere edition; with 4: plates, 4to. old calf gilt (very rare), 

 £5. 5s G. Desprez, 1659 



Containing Pascal's celebrated treatises on the properties of the cycloid, called roulette by the author. Misled by this 

 name, one of the weekly journals which provide mental food for the British Public informed its readers that Pascal was 

 the inventor of the game of this name as played at Monte Carlo ! 



3476 Traitez de I'Equilibre des Liqueurs et de la Pesanteur de la Masse de I'Air, con- 

 tenant I'Explication des Causes de divers eflfets de la nature qui n'avoient point este bien connus 

 jusques ici, & particulieremet de ceux que Ton avoit attribuez h. I'horreur du Vuide, premiere 

 edition ; with 2 folding plates, 12mo. handsomely bound in red Levant morocco, tooled inside 

 borders, g. e. (CHOICE COPY) ; VERY RARE, £2. 12^ Qd a. e., 1663 



Containing his law on the pressure of fluids, as well as an account of the famous Puy de Dome experiments, which 

 conclusively proved the pressure of air. At end is an account of Robert Boyle's experiments and observations on the 

 same subject, 



3477 Traite du Triangle Arithmetique, avec quelques autres petits Traitez sur la mesme 



Matieve, premiere edition ; ivith 1 plate, 4to, old calf (rare), £3. 15* a. e., 1665 



Containing the important treatises that made Pasial the founder of the mathematical theory of probabilitieo. 



3478 : Boutroux (Emile, de VInstitut) Pascal ; trans, by Ellen Margaret Creak, with 



Notes ; portraits, views, atidfss., post Svo. cl., Ss (p. 5* nett) Manchester, 1902 



3479 : ViNET (Alexandre) Etudes sur Blaise Pascal, Svo. sewn, 3s Qd 1S48 



