HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 493 



9831 JOHNSON (William Woolsey, U.S.N. Academy, Annapolis, Md.) TREATISE on ORDINARY 

 and PARTIAL DIFFERENTIAL EQUATIONS, 8vo. cl. (scarce), 15s 1889 



Containing a development of the theta functions. 



' A geometrical theory of singular solutions [of differential equations] resembling the one used by Cayley was 

 previously employed by W. W. Johnson.' Prof. Cajori. 



9832 JOHNSTON [the elder] (Alexander Keith) The PHYSICAL ATLAS : a Series of Maps and 

 Notes illustrating the Geographical Distribution of Natural Phenomena, based on the 

 ' Physikalischer Atlas ' of H. BERGHAUS, with the Co-operation of SIR DAVID BREWSTER, 

 J. D. and EDWARD FORBES, FF.R.S., and others, with thirty fine and large folding plates and 

 maps (many COLOURED), and the 5 ADDITIONAL MAPS (and the corresponding Text) issued with the 

 2nd Ed. of 1854, ADDED, impl. folio, hf. morocco, g. e., Us Qd (p. 12. 12s) " Edin., 1848-54 



A beautifully executed work, and ' the first physical atlas ever published in England : dedicated to Humboldt, at 

 whose suggestion it had been undertaken.' D.N.B. 



9833 JOHNSTON (James Finlay Weir, F.R.S) CHEMICAL TABLES, exhibiting the Present State 

 of our Knowledge in Regard to the Chemical and Physical Properties of Simple and Compound 

 Bodies, PART I [all pub.]: INORGANIC BODIES, roy. 4to. sewn, with inscr. to Richard Phillips, 

 F.R.S., 6s Edin., 1836 



9834 The CHEMISTRY of COMMON LIFE, new [2nd] Edition, revised and brought down to 



date by GEORGE HENRY LEWES, with 113 pretty woodcuts, 2 vols. post 8vo. cl., 3s Qd ib., 1859 



9835 - NEW [3rd AND LAST] EDITION, brought down to date by SIR ARTHUR HERBERT 

 CHURCH, F.R.S., with 102 woodcuts, and maps, thick cr. 8vo. cl., 5s ib., 1879 



'His last and best work.' D.N.B. 



9836 ELEMENTS of AGRICULTURAL CHEMISTRY and GEOLOGY, 12th Edition, by SIR 



CHARLES ALEXANDER CAMERON, C.B., with woodcuts, post 8vo. cl., 3s Qd 1881 



'Johnston successfully sought to give recent scientific discovery a practical application to agriculture and 

 manufactures. Most of his numerous writings attained great popularity.' D.N.B. 



9837 EXPERIMENTAL AGRICULTURE : the Results of Past, and Suggestions for Future Experi- 

 ments. in Scientific and Practical Agriculture, 8vo. cl., 4s Edin., 1849 



9838 On a NEW EQUIATOMIC COMPOUND of BICYANIDE with BINOXIDE of MERCURY, and on 



the CONSTITUTION of the RESINS, roy. 4to. (pp. 25), sewn, with inscr. to Richard Phillips, F.R.S., 

 4s 1839 



9839 On PARACYANOGEN and the PARACYANIC ACID, roy. 4to. (pp. 17), sewn, with inscr. to 



R. Phillips, and MS. notes by the latter, 4s Edin., 1837 



The author discovered iodide of gold and its salts. 



9840 JOHNSTON (John), Alexander Charles GUMMING, and James WALKER, F.R.S. : 

 The AFFINITY CONSTANTS of AMPHOTERIC ELECTROLYTES, impl. 8vo. (pp. 68), sewn, 2s 1906 



9841 JOHNSTONE (John) SYSTEMATIC TREATISE on the THEORY and PRACTICE of DRAINING 

 LAND, etc. according to the most approved Methods ; and adapted to the various Situations and 

 Soils of England and Scotland . . . with Appendix of Hints and Directions for the Culture and 

 Improvement of Bog, Moss, Moor, etc. after being drained; 3rd Edition, enlarged, with 23 

 coloured plates (some folding) , 4to. boards, uncut, with inscr. to the 4th Earl of Fife, 10s Qd Edin., 1834 



The account of Joseph Elkington's system of draining, ' which was at one time held in such esteem, that a Parliament- 

 ary grant of 1000. was passed for the purchase of his secret. Johnstone was deputed to publish the secret to the 

 world ' (Allibone). 



9842 JOLY (Charles Jasper ; T.C.D. ; F.R.S. ; Royal Astronomer of Ireland) The INTERPRETATION 

 of a QUATERNION as a POINT SYMBOL, impl.4to. (pp. 16), sewn, \s Qd Dublin, 1902 



Dr. Joly was the greatest quaternionist of his time, and brought out, with great additions, a new edition of Sir William 

 Hamilton's work. 



9843 JOLY (John, T.C.D. ; F.R.S. ; Commissioner of Irish Lights) EXPERIENCES sur la DENUDATION, 

 par DISSOLUTION dans 1'Eau Douce et dans 1'EAU de MER, roy. 8vo. (pp. 11), sewn, with 

 author's inscr., Is Qd 1901 



9844 On an IMPROVED METHOD of IDENTIFYING CRYSTALS In ROCK SECTIONS by the Use of 



BIREFRINGENCE, 2 illustrations, 8vo. (pp. 10), sewn, Is Dublin, 1901 



9845 INCANDESCENT ELECTRIC FURNACES, with illustration, 8vo. (pp. 3), sewn, Is ib., 1901 



)846 Du MECANISME INTIME de la SEDIMENTATION, roy. 8vo. (pp. 19), sewn, Is 1901 



9847 MEMOIRE sur I'ORDRE de FORMATION des SILICATES dans les Roches Ignees ; with 3- 



diagrams, roy. 8vo. (pp. 23), sewn, Is Qd 1901 



9348 JONAS (Peter, Supervisor of Excise) The GENUINE ART of GAUGING made Easy and Familiar : 

 the Principle Methods actually practised by the Officers of H.M.'s Revenue of Excise and Customs, 

 also the Established Rules for finding the Areas and Contents of Stills, of Wash Backs by 

 Ordinates, of Coppers, Cisterns, Casks, etc., with the Method of ascertaining the Strength of 

 fepintous Liquors by the Hydrometer, etc. etc. etc., with woodcuts, 8vo. nice copy in contemporary 

 tree-calf gilt, 7s Qd 1806. 



9849 JONES (Bernard E.) HARDENING and TEMPERING STEEL, with 42 illustrations, cr. 8vo. cl., 

 IsQd 1911 



9850 JONES (David, actuary) On the VALUE of ANNUITIES and REVERSIONARY PAYMENTS, with 

 numerous Tables, 2 vols. 8vo. hf. calf (rubbed) ; scarce, 15s 1843 



9851 . ANOTHER COPY, tree-calf, 17s Qd 



9852 REPRINT, to which is added, a TREATISE on PROBABILITY, by SIR WILLIAM LUBBOCK, 



F.R.S., and J. E. DRINKWATER BETHUNE, 2 vols. 8vo. cl., 1. Is 1844 



An able and scientific treatise.' McCulloch. 

 The notation at present commonly used is due to David Jones, whose work was the first that contained an extensive 



series of commutation tables.' T. P. Sprague. 



' Lubbock's is an excellent elementary treatise A binder's blunder caused this work to be often attributed to 



J Morgan, despite his frequent disclaimers . . . Lubbock was foremost amongst English mathematicians in adopting 



Laplace's doctrine of probability.' Miss Agnes M. Clerke. 



