60 CHARLES GRIFFIN <fc CO. 'S PUBLICATIONS. 



Ln Medium 8vo. Fully Illustrated. Cloth. 

 MODERN METHODS OF 



SEWAGE PURIFICATION. 



BY G. BERTRAM KERSHAW, 



Engineer to the lloyal ('mniiiission on Sewage Disposal. 



CONTKNTS. Introduction. Historical. ( Onst-i -vancy Methods ami Purification of 

 Sewage. Drainage Area ami Water Supply. >r\\. TMLTC Systems. -Kainfall ami Storm 

 Water. Variations in Flow ..; .iiiposition ami claitli-ation of Sewages. 



Considerations to be Observed in Selecting the Site ir |)i-po>ul \\mks. Preliminary 

 Processes. Slmlu'e Disposal. Land Treatment, ('out-let lieds. -I'en-olating Filters. 

 Treatment of Trade Refuse. Effluents and Standard*. Appendix. 



In Large 8vo. Cloth. With 147 Illustrations. 15s. net. 

 A MANUAL OF 



THE PRINCIPLES OF SEWAGE TREATMENT. 



BY PROF. DUNBAR, 



Director of the Institute of State Hygiene, Hamburg. 

 ENGLISH EDITION BY HARRY T. CALVERT, M.Sc., PH.D., F.I.C., 



Chief Chemical Assistant, West Riding of Yorkshire Rivers Board. 

 CONTENTS. Growth of River Pollution. Legal Measures taken by Central and Local 

 Authorities. Rise and Development of Met In ids of Sewage Treatment. Earlier Views 

 on Methods of Treatment. Characteristics of Sewage. Objects of Purification Works. 

 Methods for the Removal of Suspended Matters. For the Removal of Putrescibility. 

 Disinfection. Supervision and Inspection of Works. Utility and Cost. INDEX. 



" We heartily commend the book as a peculiarly fair and impartial statement of the 

 present position of the sewage problem." Lancet. 



Beautifully Illustrated, with, Numerous Plate*, Diagrams, and 

 Figures in the Text. Sis. net. 



T R A D E S 9 WASTE: 



ITS TREATMENT AND UTILISATION. 



Handbook for Borough Engineers, Surveyors, Architects, and Analysts. 

 BY W. NAYLOR, F.O.S., A.M.lNST.C.E., 



Chief Inspector of Rivers, Ribble Joint Committee. 



"There IB probably no person in England to-day better fitted to deal rationally wltb 

 uch a subject." British Sanitarian. 



SECOND EDITION. In Medium 8vo. Thoroughly Revised and Re-Written. 



153. net, 



CALCAREOUS CEMENTS: 



THEIR NATURE, PREPARATION. AND USES. 



lATitlm aome Remarks upon Cement Testing. 



BY GILBERT R. REDGRAVE, Assoc. INST. C.E., 



Assistant Secretary for Technology, Board of Education, South Kensington, 



AND CHARLES SPACKMAN, F.C.S. 



"We can thoroughly recommend it as a first-class investment." Practical Engineer. 



In Handsome Cloth. 55. net. 



A HANDBOOK FOR CEMENT WORKS' CHEMISTS. 



BY FRANK B. GATEHOUSE, F.C.S. 



GENERAL CONTENTS. Introduction. Chemicals and Apparatus. Hooks. Analysis and 

 Calculations of Raw Materials. Analysis of Fuel, Kiln Gases, Lubricants and Water. 

 Cement Analysis. Gypsum, Plaster, &c., Hurnt Lime. APPKNDICKS. INDEX. 

 "... excellent ... a useful a<Mition to Cement Literature."- Concrete. 



LONDON: CHARLES GRIFFIN & P.O., LIMITED, EXETER STREET, STRAND- 



