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



8833 HALLIWELL[-PHTLLIPPS] (James Orchard, F.R.S.; Shakespearian) COLLECTION of 



LETTERS illustrative of the PROGRESS of SCIENCE in ENGLAND from Elizabeth to Charles II., 8vo. 



cl., or, boards (scarce), 10s Qd H. S. S., 1841 



A valuable work, containing much interesting correspondence of scientists of the period not elsewhere to be found, and 

 one of the only two publications issued by the short-lived ' Historical Society of Science,' which Mr. Halliwell-Phillipps 

 founded. 



8834 INQUIRY into the PROBABLE ORIGIN of the BOETIAN NUMERICAL CONTRACTIONS, and 



how far they may have influenced the Introduction of the Hindoo Arithmetical Notation into 

 Western Europe, 8vo. (pp. 6), sewn, 4s n. d. 



8835 RARA MATHEMATICA ; or a Collection of Treatises on the Mathematics and Subjects 



connected with them, from ancient inedited MSS., with plate, 8vo. boards, uncut (scarce), 10s Qd 



M. LIBRI'S COPY: 

 ANOTHER COPY, hf vellum, with the original wrappers bound up, 17s Qd 



The above copy belonged to the predatory M. LIBRI, and contains several MS. notes by him as well as the editor's 

 inscr. on each part. 



8837 SECOND EDITION, with frontispiece, 8vo. cl., 10s 1841 



8838 ANOTHER COPY, cl., with author's inscr., 10s Qd 



Including the following reprints from old MSS. : Joannes de Sacro Bosco de Arithmetica : A Treatise on the 

 Numeration of Algorisms : Bourne's Treatise on Optical Glasses: Joannes Robyns de Cometis: Carmen de Algorismo : 

 Preface to an Almanac for 1430, and 8 others. 



8839 Two ESSAYS : I. Inquiry into the Nature of the NUMERICAL CONTRACTIONS, found in a 



Passage on the Abacus, in some MSS. of the Geometry of BOETIUS : II. NOTES on EARLY 

 CALENDARS, 2nd Ed., with front. , 8vo. (pp. 18), sewn (scarce), Qs Qd 1839 



8840 HALPHEN (Georges Henri,, de I'Institut) TRAITE des FONCTIONS ELLIPTIQUES et de leurs 

 Applications [avec Notice par E. PICARD] ; with plate and diagrams, 3 vols. roy. 8vo. seum, 

 1. 5s (p. F. 43.50 nett) 1886-91 



' The first systematic presentation of Weierstrass's theory of elliptic functions.' Prof. Cajori. 



8841 ANOTHER COPY, 3 vols. ; also, Klein (Felix) CONFERENCES sur les MATHEMATIQUES 



faites au Congres de Mathe'matiques a CHICAGO, recueillies par A. ZIWET, traduites par L. 

 LAUGEL; with 21 woodcuts, '98: Galois (Evariste) (EuvRES MATHEMATIQUES, avec Introd. 

 par ^MILE PICARD ; with portrait, '97 5 vols. roy. 8vo. in 3, hf. roan, with bookplate of Prof. 

 H. W. Lloyd Tanner, F.R.S., 1. 15s (p. F. 52.50 nett sewn) 1886-98 



Halphen's' well-known standard work contains: I. Theme des fonctions elliptiques et de leurs de"veloppements en 

 serie : II. Applications a la mecanique, physique, geodesic, geometrie et au calcul integral : III. Applications a 1'algebre, 

 en particulier a 1'equation du 5 e degre, et a la theorie des nombres. Questions diverses. 



' L'ouvrage exercera une grande influence sur octte importante branche de la science. Les questions traitees trouyent 

 la leur solution definitive. Les transcendantes elliptiques y sont maniees avec la rneme aisance que les fonctions circu- 

 laires dans d'autres sujets plus 61ementaires.' A. Picard. 



8842 HALSTED (George Bruce, Texas Univ.) The ELEMENTS of GEOMETRY, with numerous 

 diagrams, large 8vo. cl. (o. p.), 12s Qd 1886 



8843 The MESSAGE of NON-EUCLIDEAN GEOMETRY, roy. 8vo. (pp. 30), sewn, 2s Qd 1904 



8844 REPORT on PROGRESS in NON-EUCLIDEAN GEOMETRY, roy. 8vo. (pp. 28), sewn, 2s Qd 1899 



8845 The VALUE of NON-EUCLIDEAN GEOMETRY, roy. 8vo. (pp. 8), sewn, 2s 1905 



8846 HAM (John, of West Coker, Somerset] INSTRUCTIONS for BREWING by a NEW METHOD from 

 UNMALTED CORN ; by which a Saving of nearly one-half in the Price of Malt may be effected, 

 2nd Edition [with additional Observations], 12mo. sewn, Qs Qd 1822 



8847 FIFTH EDITION, with great Improvements : The THEORY and PRACTICE of BREWING 



from Malted and Unmalted Corn, and from POTATOES [!], 2nd Edition, with Q plates 2 vols. 

 12mo. in 1, old hf. calf (joints cracked), with MS. notes and bookplate of Henry B. H. Beaufoy, 

 F.E.S., 12s 1823 



John Ham would have got short shrift for his sickly stuff from any self-respecting Assize of Ale ! 



8848 HAMILTON (Hugh, D.D., F.R.S. ; Bp. of Ossory) PHILOSOPHICAL ESSAYS on the following 

 Subjects : 1. On the ASCENT of VAPOURS, the FORMATION of CLOUDS, RAIN and DEW, and on 

 several other Phenomena of Air and Water. II. Observations and Conjectures on the Nature of 

 the AURORA BOREALIS, and the TAILS of COMETS. III. On the PRINCIPLES of MECHANICKS ; 

 3rd Edition, enlarged, with plate, 12mo. old hf. calf (joints cracked) ; rare, YlsQd 1772 



Interesting for containing the author's theory of dew and evaporation, ' proceeding on a principle very different from 

 any that has hitherto been used on this occasion ; whereby I shall avoid those objections which late writers 

 have made to the former Accounts that have been given us of these Phenomena '. Preface. It was unknown to G. J. 

 Symons, F.R.S. 



8849 De SECTIONIBUS CONICIS: Tractatus Geometricus, in quo, ex Natura ipsius Coni, 



Sectionum Affectiones facillime deducuntur Methodo Nova ; with 17 folding* plates, 4to. old calf 

 gilt, 7s Qd Dublinii, 1758 



' Gulielmo Clement, M.D. SS. T.C.D. ab Auctore.' Inscr. on flyleaf. 



8850 REPRINT, with 17 folding plates, 4to. old hf. calf, Qs Londini, 1758 



8851 IDEM, necnon [Jebb (Samuel, M.D.)] EXCERPTA qusedam e NEWTONI PRINCIPIIS 



PHILOSOPHIC NATURALIS, cum Notis Variorum ; with 12 plates, 2 vols. 4to. in 1, hf. calf gilt, 

 10s Qd ibidem, \15&Cantabrigice, 1765 



8852 GEOMETRICAL TREATISE of the CONIC SECTIONS, in which their Properties are derived 



from the Nature of the Cone, in an Easy Manner, and by a New Method, translated from the 

 Latin, with 17 folding plates, 4to. old calf, Is Qd 1773 



Bp. Hamilton's treatment of the conic section is strictly Euclidean and excludes rigidly all approach to an 

 algebraical treatment, even dispensing with the symbol for equality. According to Prof. M. Cantor the work contains 

 several new theorems. 



