HENRY SOTHERAN & CO., 140, STRAND, W.C, and 37, PICCADILLY, W. 267 



5248 WATSON (James C, Univ. Michigan) Theoretical Astronomy, relating to the Motions of 

 the Heavenly Bodies revolving around the Sun in Accordance with the Iaw of Universal (;ravita- 

 tion. imp). 8vo. cl., £1. Is (p. £2. 5^) PhUadelphia, 1S68 



One of the most valuable textJiOoks on mathematical astronomy. 



The author discoverwl the spurious intramercurian planet ' Vulcan* as the result of his obser\-ation8 durins the total 



solar eclii>se of July 29, 1S7S. 



5249 WATSON (WiUiam, f.r.s.) Elementary Practical Physics, enlarged Ed., illustrated, vo&t 



8vo. cl., \s 6d 1904 



52.50 Text Book of Physics, with 564 illustrations, thick large post 8vo. el., 5s6d (p. \0s 6rf) 1899 



52.51 WATT (Alexander) Electro-Deposition : a Practical Treatise on the Electrolj-sis of (Jold, 

 Silver, Copper, Nickel, and other Metals, and Alloys, with Chapters on Electro- Metallurgy, 

 coloured front., and 144 woodcuts, thick poet 8vo. cl., 5s (p. 12* 6d) 1888 



5252 WATT (James, f.r.s.), Correspondence of, on hi.s Discovery of the Theory of the Compo- 

 SITION of Water, with Letter from his Son, edited, witli Intro. Remarks and Appendi.x, by 

 James Patrick Muirhead, with steel portrait bt/ Findcn, and plate, 8vo. cl. (SCARCE). 15« 1846 



' In the controversy re«i)ectiii;: tin? priority of Watt or of llenry Cavenduh in the diaoovorjrof the cumpohition of wal^r, 

 Jluirhead took iufinitfl pains to silt «very i>article of evidenc«. Not wUsfled with free MOeM to the Watt and Boultou 

 pai)er8, and to such living authiiities a^i Brewster, Davy, Je(n«y, and Hroughaiu, he vlaited Piriu in 1843 to confer with 

 Arago, Berzelius, and other savanU, ami in 184«5 published a clear vindication of Watt's riKht*'.— /i. N. B. 



5253 : Arago (Francois Jean Dominique) Life of James Watt, with Memoir on Machinkr\ 



considered in relation to the Prosperity of the Working Clasnes [translated, with Notes and 

 Appendix, by J. P. Muirhead], and Historical Account of the Discovery of the Composition «>f 

 Water, by Lord Brougham [and also Eulogium of Watt by Lord Jeffrey], 8vo. d. (scarce), 

 6« Edtn., 1839 



5254 Third Edition, with woodcuts, 12njo. c/., 5» ib., 1839 



5255 : Muirhead (James Patrick) The Life of Jamf^ Watt, with Selections from his 



Correspondence, with ^portraits (2 medallion), plate, fs. title page, and 32 /*. \Poodcuts, 8vo. hf. 



calf {rubbed), with bookplate of Henry Reeve, C.B., 6» 6</ 1858 



5256 Second [last] Edition, revised, with A portraits (3 medallion), fs. title-page^ and 2& fs. 



woodcuts, 8vo. cl. {out of print), 7s Qd (p. 16*) 1859 



' This work, scholarly ir. style, and sympathetic in tone, avoids with carefUl accuracy the erron of unfonnded claim, no 



less than of unfounded detraction.'— D. N. It, 



5257 : The Origin and Progress of the Mechanical Inventions of James Watt, 



illustrated by his Correspondence with his Friends, and the Specifications of his Patents, with 

 2 steel portraits. So folding plates of machinery, and 60 fs. woodcuts, 3 vols. 8vo. c/., uncut {out of 

 print), £1. Is (p. £2. 5s) 1H54 



5258 Another Copy, 3 vols. hf. calf (rubbed), I7s 6d 



5259 Another Copy ; with Life by J. P. Muirhead, with steel portraits, and woodcuts— \n all 



4 vols. 8vo. brown calf extra {nice copies), £1. 17» 6</ 1854M 



5260 A Large Paper Copy, vnth the fronts, on India paper, 3 vols. 4to. cl., uncut, with 



author's inscr. to the Master of Balliol [Robert Scott, D.D.], 1855, £1. UsQd (p. £4. As) 



This edition shows the plates of machinery to greater advantage than does the ordinary one, w)..Ti. tii..v nr.. f.,M.-,i 

 ^ A work of great labour, which offers a rich mine to the scientiftc student. The third vol , il! • 



engravings of machinery by Lowry, deals with the 'specification of patents'; tlie second 

 spondence*. Hut the iutroducton' memoir (vol. I) was of more general inl 

 of James Watt ' (7. v. sujnv).—D. N. li. 



A complete and exact history of the more Important steps In the progress of the strain engine down to the time <»f 

 Watt, and of the Inventions of Watt himself, Is contained In Muirhead s MechmtinU InvrnUont nf Jume* Wott, and Lift ttf 

 J«me.-< Walt ; works specially distinguished by the fullness and precision with which original documents and aothoriUra 

 for facts are cited.'— Pro/. Rankine. F.R.S. 



5261 : Pemberton (T. Edgar) The Life of James Watt, of Soho and Heathfield : Ann&ln of 



Industry and Genius, cr. 8vo. cl., \s 6d (p. 3s nett) 1904 



: Smiles (Samuel, ll.d.) Lives of Boulton and Watt— r. Nos. 4440- 1, ante. 



.5202 : Williamson (George) Memorials of the Lineage, Early Life, Education, and 



Development of the Genius of James Watt, with 3 portraits ( 2 of Watt after lienning and 

 Sir W. Beechey, 5 plates of engines, etc., and 1 fs. letters etc., and fs. map, 4to. calf extra (VERY 

 SCARCE), £1. 15* printed for the Walt Club[Edin.], 1856 



The chUf authority on Watt's early life. 



5263 Monument:— Proceedings of the Public Meeting at Freemaaomi* Hall, on June 18th, 



1824, for erecting a MONUMENT to the late James Watt, 8vo. sewn^ 3* 1824 



Inclading speeches by sir Humphry Davy. Watt's paitner Boulton, 8lr Robert Peel, WlUlara Wllberforee, and the 

 Inevitable Lord Brougham, who thought a steam engine Immeasurably more wonderful than an elephant's trunk. 



5264 WATTS (Henry, f.r.s.) Dictionary of Chemistry, and the Allied Branches of other Sciences, 

 founded on that of Dr. Ure, 5 vols., with 1ST SUPPLEMENT, woodcvU-Q thick vols. Hvo. hf. calf 

 gUt {Suppl. cl.), \7s6d ^ , „ 18<»:72 



-,265 ANOTHER Copy, 5 vols., with Supplement I-III, pt. I, 3 vols., woodcuU—m all 8 thick 



vols. 8vo. d., £1. 10* .,,.... !®^7^ 



.-,266 New Edition, revised, 5 v., with all Supplements, 4 v., woodeuU— in all 9 thick vols. 



Svo cl. (SCARCE), £2. 16* „ , *S""-S? 



' Containing excellent summaries of the facta and theories of chemistry, preMOted In an nnusually readable and 

 attractive form.'— Z). jyr. /J. ,, ,, ^, , . _ .. t> ,.,.,. ,. 



5267 Last Edition, revised and wholly rewritten by H. Fobsteb Mobley and M. M. Pattison 



MuiR, 4 thick vols. 8vo. hf. brown morocco, £3. 10* (p. £9. 17«) 1888-94 



5268 Manual of Chemistry, theoretical and pra<tical, based on Fowness Manual ; > ol. I : 



Physical and Inorganic Chemistry, 2nd [last] Ed., by W\ A. Tilden, f.r.8., coloured front^ 

 and 122 woodcuts, post Svo. d. {out ofpritit), 3* 6rf (p. 8* 6rf) ,q . 



18 



