Just published. Sixth Edition, Eevised and Enlarged. Crown 8vo, 

 price 10s. 6d. 



AN ELEMENTARY TREATISE 



ON 



THE INTEGRAL CALCULUS, 



CONTAINING 



APPLICATIONS TO PLANE CURVES AND SURFACES, 



AND ALSO 



A CHAPTER ON THE CALCULUS OP VARIATIONS. 



WITH NUMEROUS EXAMPLES. 



BY 



BENJAMIN WILLIAMSON, D.Sc., F.B.S., 



Fellow and Senior Tutor of Trinity College, Dublin. 



Seventh Edition. Crown 8vo, 10s. 6d. 



AN ELEMENTARY TREATISE ON THE DIFFERENTIAL 



CALCULUS. 



Containing the Theory of Plane Curves ; with numerous Examples. 

 By BENJAMIN WILLIAMSON, M.A. 



Second Edition. Crown 8vo, 10s. 6d. 



AN ELEMENTARY TREATISE ON DYNAMICS. 



Containing Applicationsjto Thermodynamics : with numerous Examples. 



BY 



BENJAMIN WILLIAMSON, M.A,, F.R.S., 



AND 



FRANCIS A, TARLETON, LL.D. 

 London : LONGMANS, GREEN, & CO. 



This day is published, a New and Enlarged Edition, with many improvements 

 and numerous additional Illustrations, 8vo, cloth, 940 pages, £2 2s., 



Volume One (Sulphuric Acid) of 



THE MANUFACTURE OF SULPHURIC ACID AND 

 ALKALI, 



WITH THE COLLATERAL BRANCHES. 



By GEORGE LUNGE, Ph.D., 



Professor of Technical Chemistry at the Federal Polytechnic School, Zurich. 

 Formerly Manager of the Tyne Alkali Works, South Shields. 



Vol. II. Soda (The Leblanc Process), £1 16s Qd., 



Vol. III. Bleaching Powder, Chlorate of Potash, &c, £1 4s. Qd., 



are still on sale, and will not be reprinted for some time. 



GURNEY and JACKSON, 1 Paternoster Row 

 (Successors to Mr. Van Voorst), 



