HENRY SQTBBRAH & CO., 140, STRAND, W.C., AND 37, PICCADILLY, W. 99 



1959 HOFF (Jacobus Hendrik van 't) STEREOCHEMIE, nach * Dix Annees dans 1'Histoire d'une 

 Theorie,' unter Mitwirknng des Verfassers neu bearbeitet von W. MEYERHOFFER; with diagrams, 

 Svo. cl., 3s (p. M. 5.) Wien, 1892 



1960 STUDIES in CHEMICAL DYNAMICS, revised and enlarged by ERNEST COHEN, trans, by 



THOMAS EWAN, with Preface by the Author; 49 illustrations, roy. 8vo., cl., 5s (p. 10s Qd) 



Amsterdam, 1896 



1931 HOFFMANN (Friedrich) OBSERVATIONUM PHYSICO-CHEMICARUM selectiorum LIBRI III, 

 in nuibus multa curiosa EXPERIMENTA et lectissimoe Virtutis MEDICAMENTA exhibentur, 4to. 

 old calf, Us Halce, 1722 



The author made many important investigations and discoveries in pharmaceutical and analytical chemistry, including 

 an analysis of mineral waters, and did good work in combating the iatro-chemical doctrines of Sylvius and Tachenius, but 

 is perhaps best known by his invention of ' Hoffmann's Anodyne', which is still in use as spiritus wtheris composltus of the 

 British Pharmacopoeia. 



1902 HOFFMANN (Johann Josef Ignaz v.) ABHANDLUNGEN aus der MATHEMATIK und PHYSIK, 

 nebst mathematischen und physischen Belustigungen ; with 15 folding plates, 8vo. sewn, uncut, 5s 



Mainz, 1838 



1963 HOFMANN (August Wilhelrn v. ; F.R.S.) Zur ERINNERUNG an VORANGEGANGENE FREUNDE : 

 GESAMMELTE GEDACHTNISSREDEN ; with portraits and fss., 3 vols. 8vo. cl., 15s (p. M. 23.) 



Braunschweig, 1888 

 ' George F. Wilson Esq. with the Author's affectionate regards. April 8, '89.' Inner, on flyleaf. See also LIEBIG, post. 



1964 HOLDEN (Edward Singleton, Director Lick Observatory) MOUNTAIN OBSERVATORIES in 

 AMERICA and EUROPE, with numerous plates, 8vo. sewn, 3* Washington, 1896 



1963 HOLDER (William, F.R.S., Cation of St. Paul's) DISCOURSE concerning TIME, with 

 Application of the Natural Day, the Lunar Month, and Solar Year, as Natural ; and of such as 

 are derived from them, as Artificial Parts of Times, for Measures in Civil and Common Use : for 

 the better UNDERSTANDING of the JULIAN Year and CALENDAR, etc., etc., first edition, large 

 12mo. original sheep, 10s Qd 1694 



The author's last work. He was an accomplished musician, and also did much in teaching the deaf and dumb, one of 

 whom, an Alexander Popham, he taught to speak, though he afterwards temporarily relapsed. He married an elder sister 

 of Sir Christopher Wren, and had much to do with the latter's education. 



1966 HOLLAND (Sir Henry, M.D., F.R.S.) ESSAYS on SCIENTIFIC and other SUBJECTS, 8vo. cl., 5s 1862 



1967 _ ANOTHER COPY, hf. green Levant morocco gilt, uncut, t. c. g. (fine copy], 8s 



1968 SECOND EDITION [revised and enlarged], 8vo. cl., Qs 1862 



Containing essays on astronomical, physical, and chemical subjects. 



1969 - FRAGMENTARY PAPERS on SCIENCE and other Subjects, edited by his Son, FRANCIS 

 JAMES HOLLAND, Canon of Canterbury, 8vo. cl., 5s 1875 



1970 [HOLLAND (John)] TREATISE on' the PROGRESSIVE IMPROVEMENT and PRESENT STATE of 

 the MANUFACTURES in METAL, vignettes by Finden, and 300 woodcuts, 3 vols. fcap. 8vo. hf. calf 

 (nice copy), 5s 1831-4 



1971 HOLLEMAN (A. F., Univ. Amsterdam) TEXT-BOOK of ORGANIC CHEMISTRY, trans, from 

 the 2nd Dutch Edition by A. JAMIESON WALKER and OWEN E. MOTT, illustrated, 2 vols. 8vo. 

 cl., 7* (p. 10* Qd nett) New York, 1903 



One of the best text-books on the subject. 



1972 HOLMES (J. H. H., F.S.A.) TREATISE on the COAL MINES of DURHAM and NORTHUMBERLAND; 

 with the Stratifications of the two Counties, and Accounts of EXPLOSIONS from FlRE-DAMP for 



the last 20 Years, with Means proposed for their Remedy, and for the General Improvement of 

 the Mining System, by NEW METHODS of VENTILATION, 6 plates, and map, 8vo. boards (rare), 

 12s Qd 1816 



Plate 6 illustrates Clanny's, Brandling's, and Murray's Safety Lamps. 



1973 HOLTZAPFFEL (Charles) NEW SYSTEM of SCALES of EQUAL PARTS, applicable to various 

 purposes of ENGINEERING, etc., with folding plate of the Scales, 8vo. cl., 4s 1833 



The author's first work. 



1974 - TURNING and MECHANICAL MANIPULATION : a Work of General Reference and Practical 

 Instruction on the Lathe, and the various Mechanical Pursuits followed by Amateurs : Vols. I, 

 II, IV, and V, ivith vert/ numerous plates and woodcuts, 4 vols. Svo. cl., 2. 12* Qd 1846-84 



CONTENTS: I. Materials, their Preparation and Figuration, '4f>: II. Construction, Action, and Application of Cutting 

 . The Practice of Hand or Simple Turning, 79 : V. The Practice of Ornamental and Complex Turning, '84. 



1975 HOLWELL (John, Philomath) A SURE GUIDE to the PRACTICAL SURVEYOR, also how to 

 convey WATER from any Spring-Head, to any appointed place ; THE LIKE NEVER BEFORE EXTANT 

 [including a TABLE for FINDING the LONGITUDE and LATITUDE], with plates and diagrams, sm. 

 8vo. contemporary calf (rare), 15s 1678 



The author's first published work. 



1976 TRIGONOMETRY made EASY; fitted to the meanest Capacity, 2 plates, 16mo. nice copy in 



contemporary sheep, with bookplate of Philip 2nd Earl Stanhope, F.R.S., 6s 1685 



The author combined astrology, mathematics, and an extensive practice as a surveyor, and was grandfather of JOHX 

 ZEPHANIAH HOLWKLL, Governor of Bengal, and a survivor of the Black Hole of Calcutta. He was sent in 1685 on a 

 Government mission to NEW YORK, and died there, it is said of poison, as it was not wished to have him back again. 



1977 HOOD (Charles, F.R.S.) PRACTICAL TREATISE on WARMING BUILDINGS, on VENTILATION, and 

 on the Laws of Radiant and Conducted Heat, the Chemical Constitution of Coal, and the Com- 

 bustion of Smoke ; 5th Ed., greatly enlarged, tvoodcuts, Svo. cl., 3s Qd (p. 10s Qd) 1879 



197<S HOOPER (William, MD) RATIONAL RECREATIONS, in which the PRINCIPLES of NUMBERS 

 and NATURAL PHILOSOPHY are clearly and copiously elucidated, by a Series of Easy, Entertain- 

 ing, Interesting EXPERIMENTS, including those commonly performed with the CARDS, with 65 fold- 

 ing plates on copper, 4 vols. Svo. contemporary calf extra (fine copy), 15s 1774 



1979 



4 vols. 8\ 



THIRD EDITION, corrected, with 65 fine folding plates on copper (ALL HANDCOLOURED)_, 

 vo. contemporary tree-calf gilt (nice copy), 1. Is 1787 



