HENKY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 473 



9402 HOLLEMAN (Arnold Frederik, Univ. Amsterdam) TEXT-BOOK of INORGANIC CHEMISTRY, 

 translated by HERMON C. COOPER, with 2 plates (1 coloured), and 84 woodcuts, 8vo. cl., 5s 

 (p. 105 6d nett) New York, 1902 



9403 TEXT-BOOK of ORGANIC CHEMISTRY, translated from the 2nd Dutch Edition by A. 



JAMIESON WALKER and OWEN E. MOTT, with 73 illustrations, 8vo. cl., 6s (p. 10s 6d nett) 



ib., 1903 or, '6 

 One of the best text-books on the subject. 



9404 HOLLIDAY (Francis, pr.) INTRODUCTION to FLUXIONS, with 7 folding plates, 8vo. old calf, 

 6s 6d 1777 



Claiming to treat the subject by 'a plainer and more perspicuous method than has hitherto appeared.' 



9405 HOLLIDAY (Thomas) COMPLETE TREATISE on PRACTICAL LAND-SURVEYING, etc., or, 

 Railway Surveying, Artificial Work, Conic Sections, Gauging, etc. etc., with 20 copperplates 

 and numerous woodcuts, 8vo. boards, 5s 1838 



9406 HOLLWAY (John) On a NEW APPLICATION of RAPID OXIDATION, by which Sulphides are 

 utilized for Fuel, with 2 folding plates, folio (pp. 37), sewn, 3s 1879 



9407 HOLMAN (Silas W.) COMPUTATION RULES and LOGARITHMS, with Tables of other Useful 

 Functions, roy. 8vo. cl. (o. p.), 5s New York, 1896 



9408 HOLMES ( ) MAGNETO ELECTRIC LIGHT as APPLICABLE to LIGHTHOUSES, with front, 

 oj the generator, 8vo. cl. (scarce), 105 6d [c. 1863] 



'Professor Holmes has practically established the fitness and sufficiency of the magneto-electric light for lighthouse 

 purposes.' Faraday. It was first used at the South Foielatd in 1858, and was the fiist application of the electric light 

 in a lighthouse. 



Who was ' Professor Holmes ' ? He seems to have been a pioneer of practical frictional electricity in England, yet is 

 not in any book of biographical reference. 



9409 HOLMES (George C. V.) The STEAM ENGINE, with frontispiece and 212 woodcuts, thick cr. 8vo. 

 cl., 2s 6d (p. 6s) 1887, or, '8 



9410 HOLMGREN (Hjalmar) Sur INTEGRATION de I'EQUATION DIFFERENTIELLE (a 2 + b 2 x + 

 c 2 x 2 ) ^ + (% + b x x) ^ + a y = O, roy. 4to. (pp. 58), sewn, 2s 6d Stockholm, 1869 



9411 HOLTZAPFFEL (Charles; M.I.C.E.) NEW SYSTEM of SCALES of EQUAL PARTS, applicable to 

 various Purposes of ENGINEERING, etc., with folding plate of the Scales, 8vo. cl., with author's 

 inscr. to, and bookplate of, Peter Mark Roget, F.R.S., 4s 1838 



9412 ANOTHER COPY, hf. calf, with author's inscr., 3s 6d 



The author's first work. At end is a Catalogue of Messrs. HoltzapfFel & Co.'s Engines, Lathes, and Tools. 



9413 ( , and John Jacob) TURNING and MECHANICAL MANIPULATION : a Work of General 



Reference and Practical Instruction on the Lathe, and the various Mechanical Pursuits followed 

 by Amateurs, with very numerous plates and woodcuts, 5 vols. 8vo. cl. (SCARCE), 3. 15s 1866-84 



CONTENTS: I. Materials: their Differences, Choice, and Preparation; Various Modes of Working them, generally 

 without Cutting Tools. II. The Principles of Construction, Action, and Application of Cutting Tools used by Hand, and 

 of Machines derived from the Hand Tools. III. Abrasive and Miscellaneous Processes, which cannot be accomplished 

 with Cutting Tools. IV. The Principles and Practice of Hand or Simple Turning. V. The Principles and Practice of 

 Ornamental or Complex Turning. 



9414 VOLS. I III ONLY, with hundreds of plates and woodcuts, 3 vols. 8vo. cl. (back of v. Ill 



torn), 1. 155 1846-50 



The standard work on the subject. ' Holtzapffel throughout displays a masterly knowledge of technical art and of the 

 scientific principles underlying it.' D. N. B. 



9415 HOLZMULLER (Gustav) EINFUHRUNG in die TIIEORIE der ISOGONALEN VERWANDTSCHAFTEN 

 und der CONFORMEN ABBILDUNGEN , mit Anwendungen auf mathematische Physik ; with 26 

 plates, 8vo. sewn (o.p.), Ss 6d Leipzig, 1882 



9416 METHODISCHES LEHRBUCH der ELEMENTAR-MATHEMATIK (Bd. I 2. Auflage) ; with 512 



illustrations, 3 vols. 8vo. cl., 4s (p. M. 8.20) ibidem, 1895-4-5 



9417 HOMASSEL (M. ; chef des teintures de la manufacture des Gobelins) COURS THEORIQUE et 

 PRATIQUE sur 1'ART de la TEINTURE en Laine, Soie, Fil, Coton, Fabrique d'lndienne en Grand et 

 Petit Teint ; suivi de 1'Art du Teinturier-Degraisseur, du Blanchiment des Toiles, Fils, Coton, 

 Chanvre, Lin, Gravures, etc., par 1'Acide Muriatique Oxige"ne ; 3 me [derniere] Edition [par E, J. B. 

 BOUILLON-LAGRANGE] ; with plate, 8vo. calf gilt, g. e. (rare), 15s 1818 



HOME (Sir Everard, M.D., F.R.S.) CROONIAN LECTURE on MUSCULAR MOTION (1794) v. 

 No. 9201, ante. 



9418 HOME (Francis, M.D., Univ. Edin.) EXPERIMENTS on BLEACHING, 8vo. sound copy in 

 contemporary calf, with Calgarth Park booklabel of Richard Watson, F.R.S. , absentee Bp. of 

 Llandaff (RARE), 1. Is Edin., 1756 



' An essay to which a gold medal was awarded by the trustees for the improvement of manufactures in North Britain, 

 and which was translated into French and German.' D. N. B. 



9419 HOMER (Henry, rector of Birdingbury) ENQUIRY into the MEANS of PRESERVING and 

 IMPROVING the PUBLICK ROADS of this KINGDOM, with Observations on the probable Consequences 

 of the present Plan, 8vo. sewn (rare), 10s 6d Oxford, S. Parker, 1767 



'Macadam in his 'Remarks on the present System of Roadmaking' (pp. 11-12) quotes this work with approval. 

 Homer's opinions on highways, t/he enclosure of waste-lands, and the value of inland navigation were far in advance of 

 his time.' D. N. B. He was the father of the classical scholar and friend of Dr. Parr. 



9420 HOOGEWERFF (J. A., U.S.N.) MAGNETIC OBSERVATIONS at the UNITED STATES NAVAL 

 OBSERVATORY, 1888 and 1889, with 14 folding charts, 4to. cl., 5s Washington, 1890 



9421 HOOGEWEBF (S.) Ueber einige NEUE DERIVATE des MESITYLENS : Inaugural-Dissertation, 

 8vo. (pp. 48), sewn, Is 6d Gbttingen, 1868 



9422 , en W. A. van Dorp : Over de INWERKING van ONDERBROMIGZUUR KALIUM op 



SUCCINPHENYLAMIDE, 8vo. (pp. 37), seivn, \s 6d Amsterdam, 1890- 



