=A HANDBOOK ON JAPANNING AND ENAMELLING FOR CYCLES, BEDSTEADS, TINWARE, ETC.= By WILLIAM NORMAN BROWN. Price 2s. net. [_Ready._ =Contents.= A Few Words on Enamelling--Appliances and Apparatus--Japans or Enamels--To Test Enamel for Lead--Japanning or Enamelling Metals--Japanning Tin, such as Tea Trays, and similar Goods--Enamelling Old Work--Enamel for Cast Iron--Enamel for Copper Cooking Utensils--The Enamelling Stove--Enamelling Bedsteads, Frames and similar large pieces--Paints and Varnishes for Metallic Surfaces--Varnishes for Ironwork--Blacking for Iron--Processes for Tin Plating--Galvanising--Metal Polishes--Colours for Polished Brass--A Golden Varnish for Metal--Painting on Zinc--Carriage Varnish--Japanese Varnish and its Application.--Index. * * * * * =THE PRINCIPLES OF HOT WATER SUPPLY.= By JOHN W. HART, R.P.C. With 129 Illustrations. 1900. 177 pp., demy 8vo. Price 7s. 6d.; India and Colonies, 8s.; Other Countries, 8s. 6d.; strictly net. =Contents.= Chapters I., Water Circulation.--II., The Tank System.--III., Pipes and Joints.--IV., The Cylinder System.--V., Boilers for the Cylinder System.--VI., The Cylinder System.--VII., The Combined Tank and Cylinder System.--VIII., Combined Independent and Kitchen Boiler.--IX., Combined Cylinder and Tank System with Duplicate Boilers.--X., Indirect Heating and Boiler Explosions.--XI., Pipe Boilers.--XII., Safety Valves.--XIII., Safety Valves.--XIV., The American System.--XV., Heating Water by Steam.--XVI., Steam Kettles and Jets.--XVII., Heating Power of Steam.--XVIII., Covering for Hot Water Pipes.--Index. =Press Opinion.= "If all plumbers were to read this book, and if they followed the instructions given, there would, we are sure, be fewer accidents from household boiler explosions, and many lives might be saved. No doubt the majority of householders know or care little about the subject, but any one who wishes to adopt the most up-to-date system of supplying hot water throughout his house will be able to do so if he reads Mr. Hart's book and follows the instruction given. It is a work that all who have charge of domestic water supply should study. It is a practical and profitable book."--_Wigar Observer._ * * * * * =Brewing and Botanical.= * * * * * =HOPS IN THEIR BOTANICAL, AGRICULTURAL AND TECHNICAL ASPECT, AND AS AN ARTICLE OF COMMERCE.= By EMMANUEL GROSS, Professor at the Higher Agricultural College, Tetschen-Liebwerd. Translated from the German. Seventy-eight Illustrations. 1900. 340 pp. Demy 8vo. Price 12s. 6d.; India and Colonies, 13s. 6d.; Other Countries, 15s.; strictly net.