A Treatise on Metalliferous Minerals and MiningC. Lockwood and Company, 1881 - 432 Seiten |
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acid adit alluvial auriferous drift average beds calcareous Cambrian Cambro-Silurian Carboniferous limestone cavities cent chloritic cloth boards Coal Coal-measures colour Comstock lode containing copper pyrites Cornwall cost course cracks crystals deposits depth Devonian dressing drill dwts earthy Edition Engineering fathoms felspar felspathic filled fissure flat Flintshire galena geological gneiss gold gossan grains granite greenstone grey ground hæmatite hornblendic Illustrated inches iron pyrites ironstone lead mines Llandeilo lode machine mass matter mercury metallic metalliferous metamorphic rocks miles mineral mineralised Mining Journal mountains name given North numerous occurs ounces of silver oxide Plates porphyritic portion production profit proportion protoxide pump quantity quartz range River sandstones shaft shale shown in fig side silica slaty rocks sluice spar stamps stone stopes strata stream sulphide sulphur surface timber tons traversed Treatise trough upper usually veins Wales washing yards yield zinc
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Seite 5 - Trigonometrical Surveying. AN OUTLINE OF THE METHOD OF CONDUCTING A TRIGONOMETRICAL SURVEY, for the Formation of Geographical and Topographical Maps and Plans, Military Reconnaissance, Levelling, &c., with the most useful Problems in Geodesy and Practical Astronomy.
Seite 11 - Anglo-Saxon, Frisian, Flemish or Dutch, Low or Platt Dutch, High Dutch or German, Danish, Swedish, Icelandic, Latin, Italian, French, Spanish, and Portuguese Tongues. By HYDE CLARKE, DCL is.
Seite 5 - Each table is printed on a small card, which, being placed on the theodolite, leaves the hands free to manipulate the instrument — no small advantage as regards the rapidity of work.
Seite 5 - Woodcuts. is.6d. 97. STATICS AND DYNAMICS, the Principles and Practice of; embracing also a clear development of Hydrostatics, Hydrodynamics, and Central Forces. By T. BAKER, CE is. 6d. 138. TELEGRAPH, Handbook of the; a Manual of Telegraphy, Telegraph Clerks' Remembrancer, and Guide te Candidates for Employment in the Telegraph Service.
Seite 9 - Underground Pumping Machinery. MINE DRAINAGE ; being a Complete and Practical Treatise on Direct-Acting Underground Steam Pumping Machinery, with a Description of a large number of the best known Engines, their General Utility and the Special Sphere of their Action, the Mode of their Application, and their merits compared with other forms of Pumping Machinery. By STEPHEN MICHELL, Joint- Authorof" The Cornish System of Mine Drainage.
Seite 1 - Strains. , THE STRAINS ON STRUCTURES OF IRONWORK; with Practical Remarks on Iron Construction. By FW SHEILDS, M. Inst. CE Second Edition, with 5 Plates. Royal 8vo, 5*. cloth. " The student cannot find a better little book on this subject than that written by Mr.
Seite 6 - Students should buy the book and read it, as one of the most complete and satisfactory treatises on the combustion and economy of fuel to be had.
Seite 6 - The author brings to his work a fortunate union of theory and practical experience which, aided by a clear and lucid style of writing, renders the book a very useful one.
Seite 26 - There is comprised in it every possible shape into which the letters of the alphabet and numerals can <be formed, and the talent which has been expended in the conception of the various plain and ornamental letters is wonderful.
Seite 4 - BUCK, MICE Third Edition, revised by his Son, JH WATSON BUCK, MICE ; and with the addition of Description to Diagrams for Facilitating the Construction of Oblique Bridges, by WH BARLOW, MICE Royal 8vo, i2s. cloth. \Justptiblished. "The standard text book for all engineers regarding skew arches...