HENRY SOTHERAN & CO., 140, STRAND, W.C, and 43, PICCADILLY, W. 477 

 HOSPITALIER COLLECTION, continued:— 



9482 MECANIQUE APPLIQUEE : Generalttes, Questions Theoriques : Orqanes 

 de Machines (Amortisseurs, Organes Mobiles). Regulateurs. Transmissions. 

 Unification des Filetages. Cinematique. Accouplements. Roulements ; a very 

 large and interesting Collection, including much MS. Matter, £4. 4s a. d, 



9483 MESURES ELECTRIQUES. Decisions Legales. Etalons. Decimalisation 

 des Unites de Temps. Syst&-me Metrique. Documents relatifs a I'Unification. 

 Sur rUNiFiCATiON du Langage et des N"otations Techniques. Congr^s Internationaux 

 d'ELECTRiciTE 1889. 1893. 1900. 1904; a very interesting and most extensive 

 Collection, containing a large amount of MS. Matter, including M. Hospitaller's 

 Correspondence, £5. 5^ o. d. 



9484 TURBINES ^ VAPEUR : G^neralites : Turbo-Dynamos. Turbine Parsons. 

 Turbine Curtis. Turbine Bateau; a large Collection, £1. 15s a. d. 



9485 Domestic Electricity for Amateurs, translated, with Additions, by C. J. Wharton, 



with front, and 155 woodcuts^ 8vo. cl. (o. p.), 3s (p. 64) 1889 



Containing descriptions of ingenious electric toys, most of which are now forgotten. 



9486 The Modern Applications of Electricity, translated and enlarged by Julius Maier, 



with 2 plates, and 169 looodcuts, 8vo. cL, or, hf. morocco, 3* (p. 16«) 1882 



9487 Second [last] Edition, with many Additions, vnth 429 woodcuts (including folding 



plates), 2 vols. 8vo. cl., 6s 6rf (p. £1. 5*) 1883 



9488 Polyphased Alternating Currents [with Appendixes on the Lauflfen-Frankfort 



Transmission] , with 31 illustrations, cr. 8vo. hf. morocco, 2s 6d [1893] 



9489 Les Principales Applications de 1':^lectricit6 ; with Opiates, and 133 tvoodcuts, roy. 



8vo. cl. extra, g. e., Zs , , 1881 



9490 - — — Traite Elementaire de I'Energie Electrique, Tome I (seul paru) : Definitions, 

 Principes, Lois Generales, et Applications h la Mesure ; with 258 woodcuts, large 8vo. hf. calf gilt, 

 uncut, t. e. g., Qs (p. F. 12 sewn) 1890 



9491 HOTCHKISS SYSTEM (The) of Rapid-Firing Guns : Descriptions and Illustrations of the 

 Guns, Ammunition, Mounts and Carriages, as designed for the Naval and Military Services, with 

 Firing Tables and Penetration Diagrams, as determined by Official Tests, toith 34 plates {including 

 fine phototypes), roy. 4to. hf. olive morocco neat, 15s privately printed, 1887 



9492 HOUDAILLE (Le Capitaine) Sur une Methode d'EssAi Scientifique et Pratique des Objectifa 

 Photographiques et des Instruments d'OPTiQUE ; with folding plate and 31 illustrations, roy. 

 8vo. sevm, \s%d 1894 



9493 HOUEL (Jules, Univ. Bordeaux) Theorie El^mentaire des QuANTiTES Complexes ; loith 

 83 diagrams, 2 v., '67-74 : Le Besgue (V. A.) Introduction h, la Theorie des Nombres, '62— 

 3 vols. roy. 8vo. in 2, hf. calf gilt, with bookplate of Prof . H. W. Lloyd Tanner, F.R.S. (SCARCE), 

 £1. UsQd 1862-74 



CoNTENu DE HouiiL : I. Algebre des Quantites Complexes: II. Theorie des Fonctions Uniformes : III. Throne des 

 Fonctions Multiformes : IV. Applications Gdom6triques de la Theorie des Quantites Complexes. Elements de la Th6orie 

 des Quaternions. 



9494 HOUGHTON (Thomas) The Golden Treasury : or, the Compleat Minor [sic] ; beina 

 Royal Institutions, or Proposals for Articles to Establish and Confirm Laws, Liberties, and 

 Customs of Silver and Gold Mines, to all the King's Subjects, in such Parts of Africa and 

 America, which are now, or shall be annexed to, and dependant on the Crown of England ; with 

 Rules, Laws and Methods of Mining, and Getting of Precious Stones ; the Working and Making 

 of Salt-Peter ; and also, the Digging and Getting of Lead, Tin, Copper, and Quick Silver-Oars, 

 18mo. contemporary calf neatly reoacked {somewhat browned) ; rare, £1. 6* 



printed for the Author^ 1699 

 • Houghton is valuable for the laws relating to mines, and his explanation of the miners' terms, eitc..'— Lowndes. 



9495 HOULLEVIGTJE (Louis, Univ. Marseilles) The Evolution of the Sciences, translated from 

 the French, 8vo. cl, t. e.g., 4* (p. Qs 6c? nett) 1909 



9496 HOTJTEN (Willem van) De Balans of Weegschaal ; hare Wijze van Zamenstelling, 

 Werking, Vermogen, Zuiverheid, en de Oorzaken van Onzuiverheid ; with folding plate, ica.^. 8vo. 

 sewn, 3s 60? [Rotterdam, 1827] 



9497 HOXJZE AU (Jean Charles ; Directeur de V Observatoire de Bruxelles), et Albert LANCASTEK, 

 Biblioth6caire de cet Etablissement : Bibliographie G^nerale de 1'Astronomie, ou Catalogue 

 methodique des Ouvrages, des Memoires, et des Observations astronomiques publi(5s depuis 

 rOrigine de I'lmprimerie jusqu'en 1880; with chart, 2 very thick vols. impl. 8vo. newly 

 bound in hf. green morocco gilt, cl. sides, uncut, t. e. g., WITH author's INSCRIPTION as below, 

 £9. 9s Bruxelles, 1887-9-2 



' A. Monsieur Jenatzy, Chef de division au Ministere de 1' Agriculture, hommage des auteurs. J. C. Houzeau. A. Lan- 

 caster.' — Inscr. on title of v. I, I. 



9498 Tome I««, V^ Partie (Ouvrages Historiques, Astrologie), etToMElP" (Memoires) ; with 



chart, 2 vols. impl. 8vo. in 3, hf. calf gilt, £7. 10s ibidem, 1882-7 



The most important bibliography on the subject, the second volume of which is now out of print and excessively scarce. It 

 contains in Vol. I, 1, an interesting Introduction on the History of Astronomy by M. Houzeau(pp. 310), and a Bibliography 

 of Astrology : in Vol. I, 2 : Biographies et commerce epistolaire ; ouvrages didactiques et gen^raux ; Astronomie 

 spherique ; Astronomie th^orique : in Vol. II : Memoires et Notices ins^r^s dans les Collections acad^miques etles Revuea. 



A proposed third part of vol. I, and vol. II, have never been published. 



Pp. 1272-1310 of vol. I contain probably the best bibliography of books and old MSS. on dialling. 



