Price 7s. 6d.; India and Colonies, 8s.; Other Countries, 8s.

6d.; strictly net.

Contents.

Pipe Bending--Pipe Bending (continued)--Pipe Bending (continued)-- Square Pipe Bendings--Half-circular Elbows--Curved Bends on Square Pipe--Bossed Bends--Curved Plinth Bends--Rain-water Shoes on Square Pipe--Curved and Angle Bends--Square Pipe Fixings--Joint-wiping --Subst.i.tutes for Wiped Joints--Preparing Wiped Joints--Joint Fixings --Plumbing Irons--Joint Fixings--Use of "Touch" in Soldering--Underhand Joints--Blown and Copper Bit Joints--Branch Joints--Branch Joints (continued)--Block Joints--Block Joints (continued)--Block Fixings-- Astragal Joints--Pipe Fixings--Large Branch Joints--Large Underhand Joints--Solders--Autogenous Soldering or Lead Burning--Index.

=THE PRINCIPLES AND PRACTICE OF DIPPING, BURNISHING, LACQUERING AND BRONZING BRa.s.s WARE.= By W. NORMAN BROWN. 35 pp. Crown 8vo. 1900. Price 2s.; Abroad, 2s. 6d.; strictly net.

=WORKSHOP WRINKLES= for Decorators, Painters, Paper-hangers and Others. By W. N. BROWN. Crown 8vo. 128 pp. 1901. Price 2s. 6d.; Abroad, 3s.; strictly net.

=HOUSE DECORATING AND PAINTING.= By W. NORMAN BROWN.

Eighty-eight Ill.u.s.trations. 150 pp. Crown 8vo. 1900. Price 3s. 6d.; India and Colonies, 4s.; Other Countries, 4s. 6d.; strictly net.

=A HISTORY OF DECORATIVE ART.= By W. NORMAN BROWN. Thirty-nine Ill.u.s.trations. 96 pp. Crown 8vo. 1900. Price 2s. 6d.; Abroad, 3s.; strictly net.

=A HANDBOOK ON j.a.pANNING AND ENAMELLING FOR CYCLES, BEDSTEADS, TINWARE, ETC.= By WILLIAM NORMAN BROWN. 52 pp. and Ill.u.s.trations. Crown 8vo. 1901. Price 2s.; Abroad, 2s. 6d.; net.

=THE PRINCIPLES OF HOT WATER SUPPLY.= By JOHN W. HART, R.P.C.

With 129 Ill.u.s.trations. 1900. 177 pp., demy 8vo. Price 7s.

6d.; India and Colonies, 8s.; Other Countries, 8s. 6d.; strictly net.

Contents.

Water Circulation--The Tank System--Pipes and Joints--The Cylinder System--Boilers for the Cylinder System--The Cylinder System--The Combined Tank and Cylinder System--Combined Independent and Kitchen Boiler--Combined Cylinder and Tank System with Duplicate Boilers-- Indirect Heating and Boiler Explosions--Pipe Boilers--Safety Valves --Safety Valves--The American System--Heating Water by Steam--Steam Kettles and Jets--Heating Power of Steam--Covering for Hot Water Pipes--Index.

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 Ill.u.s.trations.

1900. 340 pp. Demy 8vo. Price 12s. 6d.; India and Colonies, 13s. 6d.; Other Countries, 15s.; strictly net.

Contents.

HISTORY OF THE HOP--THE HOP PLANT--Introductory--The Roots--The Stem--and Leaves--Inflorescence and Flower: Inflorescence and Flower of the Male Hop; Inflorescence and Flower of the Female Hop--The Fruit and its Glandular Structure: The Fruit and Seed--Propagation and Selection of the Hop--Varieties of the Hop: (_a_) Red Hops; (_b_) Green Hops; (_c_) Pale Green Hops--Cla.s.sification according to the Period of Ripening: Early August Hops; Medium Early Hops; Late Hops--Injuries to Growth--Leaves Turning Yellow, Summer or Sunbrand, Cones Dropping Off, Honey Dew, Damage from Wind, Hail and Rain; Vegetable Enemies of the Hop: Animal Enemies of the Hop--Beneficial Insects on Hops-- CULTIVATION--The Requirements of the Hop in Respect of Climate, Soil and Situation: Climate; Soil; Situation--Selection of Variety and Cuttings--Planting a Hop Garden: Drainage; Preparing the Ground; Marking-out for Planting; Planting; Cultivation and Cropping of the Hop Garden in the First Year--Work to be Performed Annually in the Hop Garden: Working the Ground; Cutting; The Non-cutting System; The Proper Performance of the Operation of Cutting: Method of Cutting: Close Cutting, Ordinary Cutting, The Long Cut, The Topping Cut; Proper Season for Cutting: Autumn Cutting, Spring Cutting; Manuring; Training the Hop Plant: Poled Gardens, Frame Training; Princ.i.p.al Types of Frames; Pruning, Cropping, Topping, and Leaf Stripping the Hop Plant; Picking, Drying and Bagging--Princ.i.p.al and Subsidiary Utilisation of Hops and Hop Gardens--Life of a Hop Garden; Subsequent Cropping--Cost of Production, Yield and Selling Prices.

=Preservation and Storage=--Physical and Chemical Structure of the Hop Cone--Judging the Value of Hops.

=Statistics of Production=--=The Hop Trade=--Index.

Timber and Wood Waste.

=TIMBER=: A Comprehensive Study of Wood in all its Aspects (Commercial and Botanical), showing the Different Applications and Uses of Timber in Various Trades, etc.

Translated from the French of PAUL CHARPENTIER. Royal 8vo.

437 pp. 178 Ill.u.s.trations. 1902. Price 12s. 6d.; India and Colonies, 13s. 6d.; Other Countries, 15s.; net.

Contents.

=Physical and Chemical Properties of Timber=--Composition of the Vegetable Bodies--Chief Elements--M. Fremy's Researches--Elementary Organs of Plants and especially of Forests--Different Parts of Wood Anatomically and Chemically Considered--General Properties of Wood--=Description of the Different Kinds of Wood=--Princ.i.p.al Essences with Caducous Leaves--Coniferous Resinous Trees--=Division of the Useful Varieties of Timber in the Different Countries of the Globe=--European Timber--African Timber--Asiatic Timber--American Timber--Timber of Oceania--=Forests=--General Notes as to Forests; their Influence-- Opinions as to Sylviculture--Improvement of Forests--Unwooding and Rewooding--Preservation of Forests--Exploitation of Forests--Damage caused to Forests--Different Alterations--=The Preservation of Timber= --Generalities--Causes and Progress of Deterioration--History of Different Proposed Processes--Dessication--Superficial Carbonisation of Timber--Processes by Immersion--Generalities as to Antiseptics Employed--Injection Processes in Closed Vessels--The Boucherie System, Based upon the Displacement of the Sap--Processes for Making Timber Uninflammable--=Applications of Timber=--Generalities--Working Timber--Paving--Timber for Mines--Railway Traverses--Accessory Products--Gums--Works of M. Fremy--Resins--Barks--Tan--Application of Cork--The Application of Wood to Art and Dyeing--Different Applications of Wood--Hard Wood--Distillation of Wood--Pyroligneous Acid--Oil of Wood--Distillation of Resins--Index.

=THE UTILISATION OF WOOD WASTE.= Translated from the German of ERNST HUBBARD. Crown 8vo. 192 pp. 1902. Fifty Ill.u.s.trations.

Price 5s.; India and Colonies, 5s. 6d.; Other Countries, 6s.; net.

Contents.

General Remarks on the Utilisation of Sawdust--Employment of Sawdust as Fuel, with and without Simultaneous Recovery of Charcoal and the Products of Distillation--Manufacture of Oxalic Acid from Sawdust-- Process with Soda Lye; Thorn's Process; Bohlig's Process--Manufacture of Spirit (Ethyl Alcohol) from Wood Waste--Patent Dyes (Organic Sulphides, Sulphur Dyes, or Mercapto Dyes)--Artificial Wood and Plastic Compositions from Sawdust--Production of Artificial Wood Compositions for Moulded Decorations--Employment of Sawdust for Blasting Powders and Gunpowders--Employment of Sawdust for Briquettes --Employment of Sawdust in the Ceramic Industry and as an Addition to Mortar--Manufacture of Paper Pulp from Wood--Casks--Various Applications of Sawdust and Wood Refuse--Calcium Carbide--Manure--Wood Mosaic Plaques--Bottle Stoppers--Parquetry--Fire-lighters--Carborundum --The Production of Wood Wool--Bark--Index.

Building and Architecture.

=THE PREVENTION OF DAMPNESS IN BUILDINGS=; with Remarks on the Causes, Nature and Effects of Saline, Efflorescences and Dry-rot, for Architects, Builders, Overseers, Plasterers, Painters and House Owners. By ADOLF WILHELM KEIM. Translated from the German of the second revised Edition by M. J.

SALTER, F.I.C., F.C.S. Eight Coloured Plates and Thirteen Ill.u.s.trations. Crown 8vo. 115 pp. 1902. Price 5s.; India and Colonies, 5s. 6d.; Other Countries, 6s.; net.

Contents.

The Various Causes of Dampness and Decay of the Masonry of Buildings, and the Structural and Hygienic Evils of the Same--Precautionary Measures during Building against Dampness and Efflorescence--Methods of Remedying Dampness and Efflorescences in the Walls of Old Buildings --The Artificial Drying of New Houses, as well as Old Damp Dwellings, and the Theory of the Hardening of Mortar--New, Certain and Permanently Efficient Methods for Drying Old Damp Walls and Dwellings--The Cause and Origin of Dry-rot: its Injurious Effect on Health, its Destructive Action on Buildings, and its Successful Repression--Methods of Preventing Dry-rot to be Adopted During Construction--Old Methods of Preventing Dry-rot--Recent and More Efficient Remedies for Dry-rot-- Index.

=GLOSSARY OF TECHNICAL TERMS USED IN ARCHITECTURE, BUILDING, PLUMBING, AND THE ALLIED TRADES AND SUBJECTS.= By AUGUSTINE C. Pa.s.sMORE. Demy 8vo. About 400 pp.

[_In the press._

Foods and Sweetmeats.

=THE MANUFACTURE OF PRESERVED FOODS AND SWEETMEATS.= By A.

HAUSNER. With Twenty-eight Ill.u.s.trations. Translated from the German of the third enlarged Edition. Crown 8vo. 225 pp.

1902. Price 7s. 6d.; India and Colonies, 8s.; Other Countries, 8s. 6d.; net.