HENRY SOTHERAN & C0.» 140, STRAND, W.C, and 43, PICCADILLY, W. 653. 



13046 PEARSON (Greorge, m.d., f.r.s. ; early vaccinator) Works, as under, with Q folding copper- 

 plates, 8 parts 4to. in 1 vol. old hf. calf [hack rubbed), £L 12* 6rf 1768-1800' 



CoxTEKTs: — I. The Substance of Nine Lectures on Vegetation and Agriculture, by William Cl'llen, m.d.; k.r.s., 

 with a few Notes by George Pearson (pp. 41), 17t>S : II. Experiments and Observations tending to show the Composition 

 of Urinary Concretions (pp. 34), '!'7 : III. Experiments and Observations to ascertain the Nature of the Gaz [>/<•] pro- 

 duced by passing Electric Discharges through Water, \rlth j7Z«/e(pp. 17), '96: IV. Observations on some ancient Metallic 

 Arms and Utensils ; with Experiments to determine their Compo-sition, jyi^/i 2 ptofes (pp.57), 1800: V. Experiments and 

 Observations to investigate the Nature of a kind of Steel manufactured at Bombay, called Wootz (pp. 25), 179): 

 VI. Observation and Exi>eriments on a Wax-like Sub.stance, resembling the Pe-la of the Chinese (pp. 21), '94: VII. Ex- 

 periments made with a View of Decompounding Fixed Air, or Carbonic Acid (pp. 22), '92 : VIII. Memoiro sur le Phosphate- 

 de Sonde cristallise en Rhombe (pp. 4), '88. 



The above copy belonged to Henry Bower, k.s.a., who has added a pedigree. All the pamphlets bear presentation 

 inscriptions, mostly to the author's uncle Geoboe Pearson, as well as a few MS. corrections and notes by the author. 

 According to 1). S. B. No. VII is 'among his most important chemical papers, and led him to the discovery of calcium 

 phosphide ', while No. V is termed ' an excellent account of the properties of iron and steel ' ; and No. II mentioned as 

 ' including a description of Uric Acid, a tenii invented by Pearson ', which should endear him to the modern well-to-do- 

 world. 



13047 Experiments and Observations to investigate the Composition of Jambs's Powder^. 



4to. (pp. 51), ;jet^7n, 4* 1791 



'James's Powder' was chiefly oxide of antimony, and had a long patent me<licine career as a fever powder, in which it had 

 many cures and many victims, among the latter being Oliver (ioldsmith. It was first compounded as a secret medicine- 

 by a Dr. Robert James, an acquaintance of Dr. Johnson's, and grandfather of G. P. 11. Jame.-. 



Added is : An Account of some Chemical Experiments on Tabasheer, by James Locis Macik (pp. 21). 



13048 Observations and Experiments on a Wax-like Substance reaembling the P6-LA of 



the Chinese, collected at Madras by Dr. Anderson, and called by him White Lac, 4to. (pp. 19), 

 sewn, iis Qd 1794 



1:]049 PEABSON (James, f.r.a.s.. Vicar of Fleetwood) Elementary Treatise on the Tides, 

 based on that of Sir J. W. Lubbock, f.r.s., with newly-devised Method of Computation of 

 the Heights of High Water at Liverpool, with Factors for other Ports, and Tables adopted l)y 

 the Admiralty, vith Q plates, roy. 8vo. cl. {scarce), As 1881 



1.3050 L ] The Elements of the Calculus of Finite Differences, treated on the Method of 



Separation of Symbols, 8vo. hf. cl. (scarce), with bookplate of William Spottisnoode, P.R.S., 

 5s Cambindge, 1849- 



13051 Another Copy, sewn, As 



1.3052 Second Edition, enlarged, 8vo. hf cl.. Is 6d ibidem, ISoO- 



1 3053 PEARSON (Karl ; Gallon Prof Eugenics, Univ. London ; biographer of Sir Francis Gallon : 

 F.R.S.) The Grammar of Science, with 25 illustrations, cr. 8vo. cl. {scarce), 5s 1892 



Comprising : Facts of Science ; Scientific Law ; Cause and Effect ; Probability; Space and Time; Geometry of Motion ;: 

 Matter ; Laws of Motion ; Life ; and Classification of Sciences. 



13054 Mathematical Contributions to the Theory of Ev^olution: V^II: On the Corre- 

 lation of Characters not Quantitatively Measurable, 4to. (pp. 47), seivn, 2s 1900- 



13055 , and Alice LEE: Mathematical Contributions to the Theory of Evolution: 



V^III : On the Inheritance of Characters not capable of Exact Quantitative Measurement, 

 roy. 4to. (pp. 72), sewn, 3s 1900' 



13056 : On the Vibrations in the Field round a Theoretical Hertzian Oscillator, 



with 7 plates, besides diagrams, roy. 4to. (pp. 30), seum, 3s 1899- 



13057 PEARSON (R. West, of Manchester) On the DeteRxMINATION of BISMUTH by Weight and 

 by Volume, 8vo. (pp. 11), sewn. Is 6d 1856- 



13058 PEARSON (William, pr., f.r.s.) Introduction to Practical Astronomy, Vol. I : contain- 

 ing Tables, recently computed, for facilitating the Reduction of Celestial Observations, and a 

 Popular E.xplanation of their Construction aud Use, roy. 4to. hf. calf, 6s 6rf 1824 



' For this publication, styled by Sir John Herschel 'one of the most important and extensive works on that subject 

 which has ever issued from the press ', he received the gold medal of the Royal Astronomical Society '.—/). N. B. 



He was at first Rector of the liny parish of Perivale, near Ealing, and owner of one of the great private schools which 

 playad so great a part in the higher education of the time, that at Temple Grove, East Sheen, and set up an observatory 

 tliere ; and was the chief founder of the Royal Astronomical Society. 



13059 PECKHAM (Stephen Farnum, Special Agent, U.S. Census) Report on the PRODUCTION, 

 Technology, and Uses of Petroleum and its Products, with front., 11 nmps and charts, and 

 30 plates {several folding), roy. 4to. sewn, Is 6d Washington, Govt. Printing Office, 1885 



13080 P]fcCLET (Jean Claude Eugene) Traite de I'Eclairage ; with 10 folding plates, post 8vo. 



hf. calf {scarce), Ss6d ' 1827 



This work contains the first theoretical investigation on the illuminating power and oil consumption of lamps, as well 



as the first analyses of illuminating gases. The author also states in it the relation between length and breadth of the 



wick and chimney of a lamp and its illuminating effect. 



13061 PEDLER (Sir Alexander; f.r.s.) Annual Address to the Asiatic Society of Bengal, 



5th Feb., 1896, 8vo. (pp. 77), sewn, with author's inscr.. Is 6d Calcutta, 1896 



13062 On the Volatility of some of the Compounds of Mercury, and of the Metal itself, roy. 



8vo. (pp 11), sew7i, with inscr. to Sir K. Thorpe, F.B.S., Is 6d ibidem, 1889* 



13063 , and C. J. H. WARDEN: On the Nature and Toxic Principle of the Aroide^e, 



roy. 8vo. (pp. 12), sewn, Is 6d ib., 188* 



13064 PELIGOT (Eugene Melchior, de VInstitut ; discoverer of uranium) Le Verre: son Histoire,. 



sa Fabrication ; with 75 woodcuts, 8vo. sewn, 6s 6d (p. F. 14 nett) 1877 



130(35 Another Copy, cl. extra, g. e.. Is %d 



Including interesting historical chapters. 



13066 PELLET (A. E.) These sur la Theorie des Equations Alg6briques. sur la Theorie 



des Surfaces. 4to. (pp. 50), sewn, 3s Clermont-Ferrand, 1878 



13067 PELLET (Henri), et A. ALLART: Analyse des Fontes; ivith ivoodcut, 12mo. (pp. 16), 

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