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



9425 HOLT (Alfred, m.i.c.e.) Review on the Progress of Steam Shipping during the last Quarter 

 of a Century, edited by James Forrest, ivith 3 illustrations, 8vo. seivn, Zs 1878 



9426 HOOD (Charles, f.r.s.) Practical Treatise on Warming Buildings by Hot Water, on 

 Ventilation, etc. etc., with Inquiry into the Laws of Radiant and Conducted Heat, the Chemical 

 Constitution of Coal, and the Combustion of Smoke ; 2nd Edition, greatly enlarged, with woodcuts, 

 Svo. cl., 3s 1844 



9427 Third Edition, greatly enlarged, with 39 woodcuts, 8vo. cl., 3s Qd 1855 



9428 Fifth Edition, greatly enlarged, vnth 64 woodcuts, Svo. hf. morocco, 4s Qd 1879 



9429 Sixth [last] Edition, with 64 woodcuts, Svo. cl. (o. p.), 6s Qd (p. 12s Qd) 1885 



9430 HOOKE (Robert, m.d., f.r.s., GreshamProf. Astronomy) Lectures de PotentiaRestitutiya, 

 or of Spring, explaining the Power of Springing Bodies, with some Collections, viz., a Description 

 of Dr. Pappin's [sicl Wind-Fountain and Force Pump ; Mr. Young's Observations concerning 

 Natural Fountains ; some other Considerations concerning that Subject ; Capt. Sturmy's Remarks 

 of a Subterraneous Cave and Cistern ; Mr. G. T. Observations made on the Pike of Teneriff, 1674 ; 

 some Reflections and Conjectures occasioned thereupon ; a Relation of a late Eruption in the Isle 

 of Palma, ivith 3 copperplates, and diagrams, sm. 4to. old hf. calf {sound and large copy), with 

 bookplate of Henry Thomas Ellicombe [Ellacombe], pr., campanologist, and auto, of Prof. A. S. 

 Herschel, F.R.S. (very rare), £1. 10s John Martyn, 1678 



'A very curious pamphlet, containing some remarkably close anticipations of modern theories.'— Pro/. Tait. 'He 

 expounded in it the true theory of elasticity {ut tensio sic vis'] and (virtually) the kinetic hypothesis [now advanced to the 

 rank of theory] of gases.' — Miss Agnes M. Gierke. 



9431 Micrographia : or some Physiological Descriptions of Minute Bodies made by MAGNIFY- 

 ING Glasses, with Observations and Inquiries thereupon, ivith engraved arms of the Royal Society 

 on title, and SSJine copperplates {mostly folding), folio, old calf {yery fine and tall copy), with 

 auto. * J. Finch ' {? Sir John Finch, F.R.S., 1626-82) on title, and old armorial bookplate of E. S. 

 (k H. Lloyd (very rare), £4. 4s Jo. Martyn and Ja. Allestry, 1665 



' A book full of ingenious ideas and singular anticipations. It contained the earliest investigation of the * fantastical 

 colours ' of thin plates, with a quasi-explanation by interference, the first notice of the ' black spot ' in soap-bubbles, and 

 a theory of light, as ' a very short vibrative motion ' transverse to straight lines of propagation through a ' homogeneous 

 medium '. Heat was defined as ' a property of a body arising from the motion or agitation of its parts,' and the real nature 

 of combustion was pointed out in detail, eleven years before the publication of Mayow"s similar discovery ' (v. Nos. 1296-7, 

 ante).— Miss Agnes M. Gierke. 



Besides being the first large work illustrating microscopical objects, all engraved by the author himself, it contains the 

 invention of the compound microscope and of the wheel barometer, an explanation of the twinkling of the stars, 

 important investigations on the refraction of light, and a passage first suggesting homogeneous immersion objectives for 

 microscopes. 



9432 .* Posthumous Works, containing his Cutlerian Lectures, and other Discourses, read at 



the Royal Society, in which, I. The present Deficiency of Natural Philosophy is discoursed of, with 

 the Methods of rendering it more certain and beneficial. IE. The Nature, Motion and Effects of 

 Light are treated of, particularly that of the Sun and Comets. III. An Hypothetical Explication 

 of Memory . . . IV. An Hypothesis and Explanation of the Cause of Gravity, or Gravitation, 

 Magnetism, etc. V. Discourses of Earthc^uakes, their Causes and Effects . . . VI. Lectures for 

 imp»oving Navigation and Astronomy, with the Descriptions of several new and useful Instru- 

 ments and Contrivances . . ., with the Author's Life ... by Richard Waller, f.r s., with 

 copperplates, folio, large and sound copy in old panelled calf {Joints mended) ; rare, £2. 10^ 1705 



In the above work the author ' inferred the action of a solar repellant force in producing the tails of comets ; suggested 

 the motion of the sun among the stars ; and propounded correct notions as to the nature of fossils and the succession of 

 living things on the oarth.'— D. N. B. 



In the fourth essay he explains gravitation as a 'propagated pulse' of the ether. The fifth essay (pp. 277-450) is 

 geologically of importance for first evolving the author's diluvial theory. A copious account of this discourse is contained 

 in Sir Charles Lyell's * Principles of Geology '. 



Waller's ' Life ', which is partly autobiographical, is still the chief authority on the author's life. 



On p. 420 is the following curious MS. note, referring to the earthquake of July 23rd, 1690 : ' This I observed, it was on 

 a Saturday on 7 Afternoon, w". I was talking v/^K Queen Mary at Kensington, who thought y*. some of ye. house was 

 fallen down, so strong was ye. shock. W. S.' 



9433 HOOPEB (Egbert G.) The Manual of Brewing : Scientific and Technical ; 2nd Edition, with 

 woodcuts, post 8vo. cl., 3s (p. 7* 6d) 1882 



9434 HOOPER (William, m.d.) 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, first 

 edition, with {56 folding plates on copper, 4 voH Svo. old calf, 12s 1774 



9435 Another Copy, old calf {some Joints cracked), 10s Qd 



9436 Third Edition, corrected, with 65 fine folding plates on copper, 4 vols. Svo. contemporary 



calf, lis 1787 



9437 Fourth Edition, corrected, with 65 folding plates on copper^ 4 vols. Svo. old calf {some 



joints cracked), 10s %d 1794 



' Though this work is, in general, a compilation, some original experiments will be here found, and the whole, perhaps , 

 will appear to be delivered with more perspicuity and concision, and digested in a manner more regular than has been 

 hitlierto attempted.' — Advertisement. 



9438 HOORWEG (J. L.) Sur la PROPAGATION du SoN, d'apres la nouvelle Theorie des Gaz ; with 

 diagrams, Svo. (pp. 47), sewn, \s %d [Utrecht, 1876] 



9439 Tien Voordrachten over Electrotechniek ; withZO woodcuts, Svo. cl.,1s Qd ibidem, 1895 



9440 HOOVER (Herbert Clark) Principles of Mining Valuation, Organization, and Ad- 

 ministration : Copper, Gold, Lead, Silver, Tin, and Zinc, with 45 illustrations, roy. 8vo. cl , 

 65 Qd (p. 10s Qd nett) New York, 1909 



9441 HOPKINS (Evan, c.E.) On the Connexion of Geology with Terrestrial Magnetism, with 

 24 plates, Svo. cl., 3s 6rf 1844 



