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



9382 HOFMANN (August Wilhelm v. ; f.r.s.) Researches on the Volatile Organic Bases, 

 5 parts 8vo. seivn, pt. I ivith author's inscr. (scarce), 12* 6d [1848-9] 



Contents:— I. On the Action of Cyanogen on Aniline, Toluidine, and Cumidine. II. On the Action of Iodine on 

 Aniline. III. Action of Chloride, Bromide, and Iodide of Cyanogen on Aniline. Melaniline, a New Conjugated Alkaloid : 

 [V. Anilides. V. On the Action of Acids and Bases on Cyaniline. 



' His splendid work on aniline and its numerous derivatives, and on the addition products of this base (e.g. cyan-aniline) 

 immensely enriched organic chemistry. These investigations resulted in the discovery of a wealth of new and striking 

 facts, e.g. the observation of the influence exerted by halogens entering the aniline molecule on the chemical character of 

 the resulting compounds.'— Pro/. E. v. Meyer. 



9383 , and Sir Edward FRANKLAND, f.r.s. : Report to the Metropolitan Board of 



Works on the Deodorization of Sewage, 8vo. (pp. 16), unbound, 3s 1859 



This report formed the beginning of the fruitful bacteriological investigations of Sir B. Frankland. 



9384 : VOLHARD (Jacob ; Univ. Halle), und Emil Fischer ; Univ. Berlin : August Wilhelm 



VON Hofmann : ein Lebensbild, im Auftrage der Deutschen chemischen Gesellschaft verfasst ; 

 toith 2 portraits, and other illustrations, 8vo. handsomely bound in dark purple morocco gilt, silken 

 linings and flyleaves, 10s Qd Berlin, 1902 



The above copy belonged to Sir Maurice Holzmann, and contains a copy of a letter by him to Prof. J. Volhard, caused 

 by a remark in the book by the latter, reflecting on the writer's ability as a chemical experimenter, and the reply to it by 

 Prof. Volhard, 



9385 — ■ : Will (Wilhelm, Univ. Berlin) Zum Gedachtnis an A. W. V. Hofmann : Trauerfeier 



der Universitat am 22. Juni 1892, roy. 8vo. (pp. 17), sewn, ivith author's inscr., \sQd {Berlin, 1892] 



9386 HOFJffiAN (Heinrich Oscar ; Mass. Inst. Technology) Gold Milling in the Black Hills [of 

 Dakota], with folding plate and 2 woodcuts, 8vo. hf. calf neat, 4s [Chicago, 1889] 



Bound up is : Catalogue of Mtninq Machinery by Messrs. Fraser and Chalmers, Chic?go, copiously illustrated. 



9387 The Metallurgy of Lead, and the Desilverization of Base Bullion, 7th Impression* 



with 441 illustrations, including folding plates, 8vo. cl., 16s 6d (p. £1. 5s nett) New Fork, 1904 



9388 HOFMANN (Carl) Practical Treatise on the Manufacture of Paper in all its Branches, 

 with 5 folding plates, and 129 woodcuts, 4to. cl., uncut [name on title), 15s (p. £3. 13s 6d) 



Philadelphia, 1873 



9389 HOGrQ- (Jabez ; ophthalmic surgeon, F.hs.) The Microscope: its History, Construction, and 

 Application ; 6th Edition, with 8 coloured plates and 356 coloured woodcuts, thick or. 8vo. cl., 2s 

 (p. 7s 6c?) 1867 



9390 New [Seventh] Edition [with Supplement], with 8 coloured plates, and 362 woodcuts, 



thick cr. 8vo. cl., 2s 6d [1867] 



9391 HOGREWE (Johann Ludwig, konigl. Grossbritt. Ingenieur-Capitain) Beschreibung der 

 in England seit 1759 angelegten, und jetzt grostentheils [sic] vollendeten schiffbaren 

 Kanale, zur innern Gemeinschaffc der vornehmsten Handelstadte, nebst einem Versuch einer 

 Geschichte der inlandischen Schiffahrt, und aller, bis jetzt, in- und ausserhalb Europa 

 bekannten schiffbaren Kanale; with vignette on title, and 10 folding copperplates, 4to. con- 

 temporary mottled calf (fine copy) ; rare, £1. Is Hannover, 1780 



Published on the eve of the ' canal mania '. It contains full descriptions of the Bridgewater Canal, the Oxford- 

 Lichfield, Trent-Mersey, Liverpool-Leeds, and Lincoln-Cambridge Canals. 



9392 HOLDEN" (OoL Henry Capel Loflffc ; f.r.s.). Description of, and Instructions for Working, 

 the Chronograph of Boulenge Tvpe, as modified and improved by, and made by J. Pitkin, 

 with 7 illustrations and folding plate, 8vo. limp, cl., with auto, letter from the author to F. J. 

 Jervis-Smith, pr., F.E.S., 4s [c. 1892] 



9393 HOLDSWORTH (Israel) White's Ephemeres [sic] from 1801 to 1850 ; containing the 

 Geocentric Longitudes and Latitudes of the Sun, Moon, and Planets, 12mo. calf (rubbed), 3s Qd 



Leeds, 1850 



9394 HOLDSWORTH (Joseph) Geology, Minerals, Mines, and Soils of Ireland, in Reference 

 to its Amelioration and Industrial Prosperity, ivith front, and vignette by Lizars, post 8vo. cl., 

 3s 6d 1857 



9395 HOLLAND (James William, Jejfferson Med. Coll., Philadelphia) Text-Book of Medical 

 Chemistry and Toxicology, with 8 coloured plates, and 108 woodcuts, thick 8vo. cl., Is Qd 

 (p. 15s nett) Philadelphia, 1905 



9396 [HOLLAlND (John)] The History and Description of Fossil Fuel, the Collieries, and 

 Coal Trade of Gt. Britain, by the Author of the ' Treatise on Manufactures in Metal ', ivith 

 42 ivoodcuts, 8vo. cl., uncut, 6s 6d 1835, or, '41 



With chapter on Foreign Coal Deposits and Coal Trade, Conversion and Products of Coal, and Probable Duration of 

 our Coal. It is not mentioned among the author's works in D. N. B. 



9397 [ ] Treatise on the Progressive Improvement and Present State of the Manufac- 

 tures in Metal, with vignettes by Finden, and 300 woodcuts, 3 vols. fcap. 8vo. hf. calf [nice 

 copy), 6s 1831-4 



9398 HOLLANDUS (Johann Isaak) Sammlung unterschiedlicher bewahrter Chymischer 

 Schriften, namentlich : Opus Saturni, Opera Vegetabilia, Opus Minerale, Cabala, de Lapide 

 Philosophico, nebst Tractat von den Irrgangen derer Alchymisten, Auctoris Incerti, neue 

 Auflage, mit Verzeichniis derer wichtigsten Materien ; with 16 copperplates, besides woodcuts, 

 8vo. sewn, uncut {rare), 15s Wien, 1773 



Very little is known of this Dutch alchemist, who is supposed to haye flourished at the end of the XlVth Century, 

 and to have acquired great wealth in teaching his ' art '. According to Prof. H. Kopp he wrote more fully of the 

 philosopher's stone than was the custom with the alchemists of the time. 



The above work includes also two works by Isaak Hollandus, the author's father, viz. Vegetabilia, and Opus Minerale. 



9399 HOLLEMAN (F. A.) Spoorwegremmen [Continuous Brakes], with folding plate, 8vo. 

 {pp. 23), sewn, 2s z. p., 1891 



