CHEMISTRY AND TECHNOLOGY. 25 



SBCOND EDITION. In Large 8vo. Handsome Cloth. Beautijully 

 Illustrated. With Plates and Figures in the Text. 21s. net. 



ROAD MAKING AND MAINTENANCE 



A Practical Treatise for Engineers, Surveyors, and Others. 

 BY THOS. AITKEN, M.lNST.O.E., 



Member of the Association of Municipal and County Engineers ; Member of the Sanitary 

 Inst. ; Surveyor to the County Council of Fife. Cupar Division. 



CONTENTS. Historical Sketch. Resistance of Traction. Laying out New Roads. 

 Earthworks, Drainage, and Retaining Walls. Road Materials, or Metal. Quarrying. 

 Stone Breaking and Haulage. Road-Rolling and Scarifying. The Construction of 

 New, and the Maintenance of existing Roads. Carriage Ways and Foot Ways. 



"The Literary style is BXGBUBNT. . . . A COMPRBHKNSIVK and EXCELLENT Modern Book, at. 

 DP-TO-DATE work. . . . Should be on the reference shelf of every Municipal and Countj 

 Engineer or Surveyor in the United Kingdom, and of every Colonial Engineer." The Surveyor. 



In Handsome Cloth. Fully Illustrated. Ws. Qd. net. 



QUSTLESS ROADS. 

 TAR MACADAM. 



BY J. WALKER SMITH, 



City Engineer, Edinburgh. 



CONTENTS. Necessity for Improved and Standard Road Construction. Tar. Standardisation 

 of Matrix. Aggregate for Macadam. Different Modes of Preparing and Laying. Mechanical 

 Mixing. Effects of Wear, Density, Porosity, Distribution of Weight. Scavenging ; Wateriu? and 

 Maintenance. Camber ; Gradient, Noiselessness, Hygienic Advantages. Rolling. Tractive 

 Effort. Statistics. Tar Spraying on Ordinary Macadam Surfaces. APPENDICES. INDEX. 



"The book is in every respect up-to-date and very suggestive. It is practical in 

 the best sense of the term." County and Municipal Record. 



In Crowu 8vo. Cloth. Pp. i-xi -f- 137. With 25 Illustrations, Coloured Map, and a 

 Chart. 4s. 6d. net. 



MODERN ROAD CONSTRUCTION. 



A Practical Treatise for the Use of Engineers, Students, 

 Members of Local Authorities, &c. 



BY FRANCIS WOOD, M.Inst.C.E., F.G.S. 



CONTENTS. Introductory. Macadam Roads. Wear of Roads. Effect of Traffic on 

 Roads. Tarred Roads. Bitumen. Methods of Using Tar and Bitumen. Rollers apd 

 Rolling. Paving. Cost of Maintenance of Roads. APPENDICES. INDEX. 



" A little volume that should find its place on the shelf of every road and highway 

 surveyor and engineer in the Local Government world." Municipal Journal. 



In Crown 8vo. Cloth. Pp. i-vii + 149. With Illustrations. 5s. net. 

 AN INTRODUCTION TO 



TOW Nl PLANNING. 



A Handbook dealing with the Principles of the Subject, and a Consideration of the Problems 

 Involved, Powers of Local Authorities, etc. 



BY JULIAN JULIAN, B. E. 



CONTENTS. Ancient Town Planning. Mediaeval and Modern Town Planning. 

 Authorities and Bye-Laws. Powers of Local Authorities. Practical Considerations in 

 the Preparation of Town Plans. A Town-Planning Tour. APPENDICES. INDEX. 



"There are many books on Town Planning, but none that covers quite the same 

 ground as this one traverses so ably ... a valuable addition to the Town Planner's 

 1 ibrary. " Surveyor. 



LONDON : CHARLES GRIFFIN & CO., LTD., EXETER STREET, STRAND. 



