"The importance that gas and coal dust firing have attained of recent years, and especially the great interest attaching of late to the question of coal dust firing, makes the appearance of the present volume most opportune."--_Iron and Coal Trades Review._ "The German author has long followed the development of various systems of gas firing, and in the present treatise he discusses the merits of appliances patented since 1885. His text and the numerous illustrations indispensable to it will be found useful by all who are engaged in practical work in the same field."--_North British Daily Mail._ * * * * * =Books on Plumbing, Decorating, Metal Work, etc., etc.= * * * * * =EXTERNAL PLUMBING WORK.= A Treatise on Lead Work for Roofs. By JOHN W. HART, R.P.C. 180 Illustrations. 270 pp. Demy 8vo. 1896. Price 7s. 6d.; India and Colonies, 8s.; Other Countries, 8s. 6d.; strictly net. =Contents.= Chapters I., Cast Sheet Lead.--II., Milled Sheet Lead.--III., Roof Cesspools.--IV., Socket Pipes.--V., Drips.--VI., Gutters.--VII., Gutters (continued).--VIII., Breaks.--IX., Circular Breaks.--X., Flats--XL, Flats (continued).--XII., Rolls on Flats.--XIII., Roll Ends.--XIV., Roll Intersections.--XV., Seam Rolls.--XVI., Seam Rolls (continued).--XVII., Tack Fixings.--XVIII., Step Flashings.--XIX., Step Flashings (continued).--XX., Secret Gutters.--XXI., Soakers.--XXII., Hip and Valley Soakers.--XXIII., Dormer Windows.--XXIV., Dormer Windows (continued).--XXV., Dormer Tops.--XXVI., Internal Dormers.--XXVII., Skylights.--XXVIII., Hips and Ridging.--XXIX., Hips and Ridging (continued).--XXX., Fixings for Hips and Ridging.--XXXI., Ornamental Ridging.--XXXII., Ornamental Curb Rolls.--XXXIII., Curb Rolls.--XXXIV., Cornices.--XXXV., Towers and Finials.--XXXVI., Towers and Finials (continued).--XXXVII.,Towers and Finials (continued).--XXXVIII., Domes.--XXXIX., Domes (continued).--XL., Ornamental Lead Work.--XLI., Rain Water Heads.--XLII., Rain Water Heads (continued).--XLIII., Rain Water Heads (continued). =Press Opinions.= "This is an eminently practical and well-illustrated volume on the management of external lead work."--_Birmingham Daily Post._ "It is thoroughly practical, containing many valuable hints, and cannot fail to be of great benefit to those who have not had large experience."--_Sanitary Journal._ "Works on sanitary plumbing are by no means rare, but treatises dealing with external plumbing work are sufficiently scarce to ensure for Mr. Hart's new publication a hearty reception."--_The Ironmonger._ "With Mr. Harts treatise in his hands the young plumber need not be afraid of tackling outside work. He would do well to study its pages at leisure, so that he may be ready for it when called upon."--_Ironmongery._ * * * * *