A Treatise on Slate and Slate Quarrying: Scientific, Practical, and CommercialC. Lockwood and Company, 1880 - 186 Seiten |
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Architect ARCHITECTURE Arenig Average Bala bands bargain Bettws Garmon blocks blue slates Cambrian Cambrian strata Carnarvonshire chambers CHAPTER cloth boards colour Construction Corris cost CROSBY LOCKWOOD Crown 8vo described Diagrams Dinorwig Duffwys ENGINEERING enlarged feet Festiniog Festiniog district gallery Geology greenstone grit bands grits hard rock inches iron lease Limestone Lingula flags Llanberis Llandeilo Llangollen Llangynog Lower Cambrian mass material Merionethshire mineral Mining Nantlle North Wales numerous Illustrations Old Vein open quarry ordinary original Penrhyn planes Plates porphyritic porphyritic rock portion Portmadoc poundage Practical produce profit Purple Slates pyrites rails Railway revised Rhiwbach Rhiwbryfdir Roofing slates royalty Rudimentary Treatise shaft Shales side slabs slate beds slate quarries slate range slate rock slate waggons slaty cleavage split splitter strata Surveyor Tables thickness thin tion Tons Cwts tramway Tremadoc tunnel upper WEALE'S weight Welsh slate Wenlock Woodcuts yards
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Seite 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...
Seite 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...
Seite 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.
Seite 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.
Seite 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.
Seite 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.
Seite 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.
Seite 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.
Seite 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.
Seite 5 - Illustrated. 3s.4 165. IRON AND HEAT, exhibiting the Principles concerned in the Construction of Iron Beams, Pillars, and Bridge Girders, and the Action of Heat in the Smelting Furnace. By J. ARMOUR, CE 2s.