A Treatise On The Principles And Practice Of Harbour Engineering

68 CHAULES GRIFFIN Je GO.’S PVEL1CA TIONS. In Medium Svo. Handsome Cloth. Fully Illustrated. 15s. net. GENERAL FOUNDRY PRACTICE: A Practical Handbooh for Iran, Steel and Brass Founders, Metallurgists, and Students of Metallurgy. By A M°WILLIAM, A.R.S.M., and PERCY LONGMUIR. Contents —Introduction.—General Properties of Matter.—Moulding Sands.—Iacing Sands and Facings. — Foundry Tools. — Moulding Boxes. — Handling Material in the Foundry. — Open Sand Moulding.—Cores.—Elementaiy Aspects of Moulding.— Green Sand Moulding.—Securing Cores in Moulds.—Moulding from Guides.—Bench, Oddside, and Plate Moulding.—Machine Moulding.—Dry Sand Moulding.—Loam Moulding.— Chill Casting.—Casting on other Metals.—Burning.—Weighting and Binding Materials. —Shrinkaget Contraction, and Warping.—Dressing Castings.—Comrnon Faults due to Mould and Pattern.—Malléable or Wrought Iron, Steel and Malleable Cast Iroii.—Cast iroii —Refractory Materials.—Fuels and Furnaces.—Mixing by Analysis.—Remelting.— Working the Cupola.-Further Treatment of Cast Iron.-High Temperature Measure- ment —Steel — Notes on Metals other thaii Iron.—Alloys.— Mechanical Testing.— Micrographie Analysis.—Comrnon Faults.—Foundry Management.—INDEX. Extra Crown 8w. With 48 Illustrations. Bs. Qd. net. LECTURES ON IRON-FOUNDING. By THOMAS TURNER, M.Sc., A.R.S.M., F.I.C., Professor of Metallurgy in the University of Birmingham. Contents.—Varieties of Iron and Steel.—Application of Cast Iron. History. Pro- duction. ___Iron Ores. — Composition. — The Blast Furnace.— Materials.—Reactions. Gradinc Piß Iron. — Carbon, Silicon, Sulphur, Phosphorus, Manganese, Aluminium, Arsenic Copper, and Titanium.—The Foundry.—General Arrangement.—Re-melting Iron — The Cupola. — Fuel Used. — Changes due to Re-melting. — Moulds and Monldinc -Foundry Ladies.-Pouring and Pouring Temperature.-Common Iroubles.- Inftue i ce of Shape and Size on Strength of Castings.-Tests. „ , 1n<‘lronfounders will find much information in the book/’-Zron Trade Circular (Ryland’s)._=============== In Large 4^o, Library Style. Beautifully Illustrated with 30 Plates, many in Colours, and 94 Pigures in the Text. £2, 2s. net. PRECIOUS STONES: Their Properties, Occurrences, and Uses. A Treatise for Dealers, Manufacturers, Jetuellers, and for all Collectors and others interested in Gems. By Dr. MAX BAUER, Professor in the University of Marburg, Translated by L. J. SPENCER, M.A. (Cantab.), F.G.S. “The plates are remarkable for their beauty, delicacy, and truthfulness. A glance at them alone is a lesson on precious stones, whilst the perusal of the work itself shouid add a new interest to any casket of jewels or cabinet of gems, or even to a jewellers window.” —Athenæum. In Large Crown Svo. With Numerous Illustrations. Ss. 6d. THE ART OF THE GOLDSMITH AND MELLER. A Manual on the Manipulation of Gold and the Manufacture of Personal Ornaments. By THOS. B. WIGLEY, Headmaster of the Jewellers and Silversmiths’ Assoc. Tech. School, Birmingham. Assisted BY J. H. STANSBIE, B.Sc. (Lond.), F.I.O., Lecturer at the Birmingham Municipal Technical School.____ LONDON: CHARLES GRIFFIN & CO., LIMITED. EXETER STREET, STRAND.