A Treatise On The Principles And Practice Of Harbour Engineering

56 CHARLES GRIFFIN & CO.'S PUBLICA TIONS. Twelfth Edition, Revised. With Numerous Diagrams. Cloth, 7s. 6d. A TREATISE ON MINE-SURVEYING: For the use of Managers of Mines and Collieries, Students at the Royal School of Mines, &e. BY BENNETT H. BROUGH, F.G.S., Assoc.R.S.M., Formerly Instructor of Mine-Surveying, Royal School of Mines. Contents. — General Explanations. — Measurement of Distances. — Miners Dial. — Variation of the Magnetic Needle.—Surveying with the Magnetic Needle in the Presence of Iron. —Surveying with the Fixed Needle. — The German Dial. — The Theodolite. —Traversing Underground. —Surface Surveys with the Theodo- lite.—Plotting the Survey. —Calculation of Areas. —Levelling. —Connection of the Underground and Surface Surveys. —Measuring Distances by Telescope.—Setting- out.— Mine-Surveying Problems. — Mine Plans.—Application of the Magnetic Needle in Mining. —Photographie Surveys. —Appendices. —Index. “Its CLEARNESS of STYLE, LUCIDITY of DESCRIPTION, and FULNESS of DETAIL have long ago won for it a place unique in the literature of this branch of mining engineering, and the present edition fully maintains the high standard of its predecessors. To the student, and to the mining engineer alike, ITS VALUE is inestimable. The illustrations are excellent.” — The Mining Journal. Crown 8vo. Handsome Cloth. Illustrated. 6s. MINING GEOLOGY. A TEXT-BOOK FOR MINING STUDENTS AND MINERS. By PROF. JAMES PARK, F.G.S., M.Inst.M.M., fessor of Mining and Director of the Otago University School of Mines ; late Director Thames School of Mines, and Geological Surveyor and Mining Geologist to the Government or New Zealand General Contents.—Introduction.—Classification of Mineral Deposits.—Ore Veins, their Filling, Age, and Structure.—The Dynamics of Lodes and Beds. -Ore Deposits Genetically Considered—Ores and Minerals Considered Economically.—Mine Sampling and Ore Valuation.—The Examination and Valuation of Mines.—Index. “ A work which should find a place in the library of every mining engineer.” — Mining World. Second Edition, In Crown Svo. Handsome Cloth. With 30 New Illustrations. 1s. Gd net. ELECTRICÄL PRACTICE IN COLLIERIES. By D. BURNS, M.E., M.Inst.M.E., Certificated Colliery Manager, and Lecturer on Mining and Geology to the Glasgow and West of Scotland Technical College. Units of Measurement, Conductors, &c. —The Theory of the Dynamo. —The Dynamo, Details of Construction and Working. —Motors. —Lighting Installa- tions in Collieries. — Pumping by Electricity. — Electrical Haulage. — Coal Cutting. — Miscellaneous Applications of Electricity in Mines. — Coal Mines Regulation Act (Electricity). —Index. “A clear and concise introduction to electrical practice in collieries.”—Mining Journal. LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND.