List of Apparatus--List of Atomic Weights--Use of Balance, and Burette, Sand Bath, and Water Bath--Dessicator--Drying Oven--Filtering--Fusion--Determination of Water, Organic Matter, Iron, Calcium, Alkalies, Limestone, Silica, Alumina, Magnesium, etc.--Mechanical Analysis--Rational Analysis--Standard Solutions--Volumetric Analysis--Standards for Clay Analysis--Sampling. * * * * * =ARCHITECTURAL POTTERY.= Bricks, Tiles, Pipes, Enamelled Terra-cottas, Ordinary and Incrusted Quarries, Stoneware Mosaics, Faiences and Architectural Stoneware. By LEON LOUVRE. With Five Plates. 950 Illustrations in the Text, and numerous estimates. 500 pp., royal 8vo. 1900. Translated from the French by K. H. BIRD, M.A., and W. MOORE BINNS. Price 15s.; India and Colonies, 16s.; Other Countries, 17s. 6d.; strictly net. =Contents.= Part I. =Plain Undecorated Pottery.=--Chapter I., Clays: Sec. 1, Classification, General Geological Remarks.--Classification, Origin, Locality; Sec. 2, General Properties and Composition: Physical Properties, Contraction, Analysis, Influence of Various Substances on the Properties of Clays; Sec. 3, Working of Clay-Pits--I. Open Pits: Extraction, Transport, Cost--II. Underground Pits--Mining Laws. Chapter II., Preparation of the Clay: Weathering, Mixing, Cleaning, Crushing and Pulverising--Crushing Cylinders and Mills, Pounding Machines--Damping: Damping Machines--Soaking, Shortening, Pugging: Horse and Steam Pug-Mills, Rolling Cylinders--Particulars of the Above Machines. Chapter III., Bricks: Sec. 1, Manufacture--(1) Hand and Machine Moulding,--I. Machines Working by Compression: on Soft Clay, on Semi-Firm Clay, on Firm Clay, on Dry Clay.--II. Expression Machines: with Cylindrical Propellers, with Screw Propellers--Dies--Cutting-tables--Particulars of the Above Machines--General Remarks on the Choice of Machines--Types of Installations--Estimates--Plenishing, Hand and Steam Presses, Particulars--(2) Drying, by Exposure to Air, Without Shelter, and Under Sheds--Drying-rooms in Tiers, Closed Drying-rooms, in Tunnels, in Galleries--Detailed Estimates of the Various Drying-rooms, Comparison of Prices--Transport from the Machines to the Drying-rooms, Barrows, Trucks, Plain or with Shelves, Lifts--(3) Firing--I. In Clamps--II. In Intermittent Kilns. _A_, Open: _a_, using Wood; _b_ Coal; _b'_, in Clamps; _b''_, Flame--_B_, Closed: _c_, Direct Flame; _c'_, Rectangular; _c''_, Round; _d_, Reverberatory--III. Continuous Kilns: _C_, with Solid Fuel: Round Kiln, Rectangular Kiln, Chimneys (Plans and Estimates)--_D_, With Gas Fuel, Fillard Kiln (Plans and Estimates), Schneider Kiln (Plans and Estimates), Water-gas Kiln--Heat Production of the Kilns; Sec. 2, Dimensions, Shapes, Colours, Decoration, and Quality of Bricks--Hollow Bricks, Dimensions and Prices of Bricks, Various Shapes, Qualities--Various Hollow Bricks, Dimensions, Resistance, Qualities; Sec.