Autres éditions - Tout afficher
A Treatise on Slate and Slate Quarrying: Scientific, Practical, and Commercial
David Christopher Davies
Affichage du livre entier - 1880
additional amount Author Average bands bargains blocks blue Building causes cent chambers CHAPTER cleavage cloth cloth boards colour complete considerable Construction containing cost Cwts deposit described direction district Edition ENGINEERING enlarged estimated example expenses failures feet Festiniog four gallery give given hard hard rock Illustrations inches iron land lease London Lower machine mass material matter means Mining month North Wales Notes numerous operations ordinary original Particulars planed Plates portion Practical present produce profit published Railway range reference result revised Roofing Second seen shaft side similar slabs slate beds slate quarries slate rock split strata Tables taken thickness thousand tion tons town trade Treatise upper usually various Vein weight whole Woodcuts yards
Page 4 - Levelling. A TREATISE ON THE PRINCIPLES AND PRACTICE OF LEVELLING. Showing its Application to purposes of Railway and Civil Engineering, in the Construction of Roads; with Mr. TELFORD'S Rules for the same. By FREDERICK W. SIMMS, FGS, M. Inst. CE...
Page 29 - Youatt and Burn's Complete Grazier. THE COMPLETE GRAZIER, and FARMER'S and CATTLEBREEDER'S ASSISTANT. A Compendium of Husbandry. By WILLIAM YOUATT, ESQ., VS I2th Edition, very considerably enlarged, and brought up to the present requirements of agricultural practice. By ROBERT SCOTT BURN. One large 8vo. volume, 860 pp. with 244 Illustrations. I/, is. half-bound. " The standard and text-book, with the farmer and grazier." — Fanner's Magazine. "A treatise which will remain a standard work on the...
Page 7 - 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 Useful Problems, Formulae, and Tables.
Page 8 - Scale. 4to. 4s. 6d. ; cloth boards, 6s. 176. METALLURGY OF IRON. Containing History of Iron Manufacture, Methods of Assay, and Analyses of Iron Ores, Processes of Manufacture of Iron and Steel, &c.
Page 1 - THEORY OF COMPOUND INTEREST AND ANNUITIES ; with Tables of Logarithms for the more Difficult Computations of Interest, Discount, Annuities, &c., in all their Applications and Uses for Mercantile and State Purposes. By FEDOR THOMAN, of the Socie'te' Cre'dit Mobilier, Paris. Third Edition, carefully revised and corrected . . . 4,0* " A very powerful work, and the author has a very remarkable command of his subject.
Page 6 - With Illustrations, and Portrait of George Stephenson. Crown 8vo. 4s. 6d. cloth. " From the technical knowledge of the author it will appeal to the railway man of to-day more forcibly than anything written by Dr. Smiles.
Page 3 - Rates, from id. to i68s. per cwt., and containing 186,000 Direct Answers, which, with their Combinations, consisting of a single addition (mostly to be performed at sight), will afford an aggregate of 10,266,000 Answers ; the whole being calculated and designed to ensure correctness and promote despatch.
Page 4 - Strains, Formula & Diagrams for Calculation of. A HANDY BOOK for the CALCULATION of STRAINS in GIRDERS and SIMILAR STRUCTURES, and their STRENGTH ; consisting of Formulae and Corresponding Diagrams, with numerous Details for Practical Application, &c. By WILLIAM HUMBER, Assoc.
Page 25 - We can do no other than pronounce this work a most valuable manual of astronomy, and we strongly recommend it to all who wish to acquire a general — but at the same time correct— acquaintance with this sublime science.