A Text-book of Ore and Stone MiningGriffin, 1897 - 744 Seiten |
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Seite xviii
... iron supports 251 251 252 253 254 255 287 . 288 . 99 11 99 39 cast - iron prop and chair section of iron rail used 255 " " 289. Section of steel beam , Nunnery Colliery , Sheffield 290. Steel beam on timber legs 291. Rolled steel caps ...
... iron supports 251 251 252 253 254 255 287 . 288 . 99 11 99 39 cast - iron prop and chair section of iron rail used 255 " " 289. Section of steel beam , Nunnery Colliery , Sheffield 290. Steel beam on timber legs 291. Rolled steel caps ...
Seite xix
... iron wedging cribs 310. Section through coffering 311. Segment of cast - iron tubbing 312 ) 313 ) • Cast - iron tubbing resting on curb 314. Small composite borer or trépan , Kind - Chaudron system 315. Large composite borer 316 ...
... iron wedging cribs 310. Section through coffering 311. Segment of cast - iron tubbing 312 ) 313 ) • Cast - iron tubbing resting on curb 314. Small composite borer or trépan , Kind - Chaudron system 315. Large composite borer 316 ...
Seite xx
... iron 404 . flat bar - iron 405. Cast - iron turnplate 406. Turnplate with iron bar guides 407. Mine waggon , Van mine 408 ) 409 410 411f Mine waggon , with sheet - iron body and bent sides " " 93 Saint - Etienne oval body and automatic ...
... iron 404 . flat bar - iron 405. Cast - iron turnplate 406. Turnplate with iron bar guides 407. Mine waggon , Van mine 408 ) 409 410 411f Mine waggon , with sheet - iron body and bent sides " " 93 Saint - Etienne oval body and automatic ...
Seite 1
... iron ore form mines . Under the head of minières , for which we have no equivalent word in English , are included bog iron ore , pyritous earths fit for working , sulphate of iron , aluminous earths and peat , whilst the carrières , or ...
... iron ore form mines . Under the head of minières , for which we have no equivalent word in English , are included bog iron ore , pyritous earths fit for working , sulphate of iron , aluminous earths and peat , whilst the carrières , or ...
Seite 20
... iron ore , iron pyrites , lead ore , manganese ore , nitrate of soda , ochre , oil shale , ozokerite , petroleum , phosphate of lime , potassium salts , quicksilver ore , salt , silver ore , slate , stone , strontium sulphate , sulphur ...
... iron ore , iron pyrites , lead ore , manganese ore , nitrate of soda , ochre , oil shale , ozokerite , petroleum , phosphate of lime , potassium salts , quicksilver ore , salt , silver ore , slate , stone , strontium sulphate , sulphur ...
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adit attached belt boring Boryslaw bottom bucket cage carbonic acid carried cast-iron cent clay coal compressed air Comstock lode copper Cornwall crushed cylinder Davy lamp deposit depth district drawn drill driven drum employed engine excavation explosives feet fire-damp galena gold ground gypsum holes horizontal inches in diameter inclined Inst iron pyrites ironstone ladders lamp limestone lode lower machine machinery magnetic main rod Mansfeld Mechernich metal method metres mineral mines ordinary ozokerite particles passes phosphate piece pipe piston plate plunger pressure produced pulley pumping quantity quarries quartz revolving rock roof rope sandstone SCALE screw separate shaft shale side sieve sinking slate sometimes specific gravity steam steel stone stroke sulphur surface thick timber tube tunnel underground valve veins ventilation vertical waggon washing wheels whilst winding wire wire rope wooden yards
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Seite 53 - KNOW YOUR OWN SHIP. BY THOMAS WALTON, NAVAL ARCHITECT. Specially arranged to suit the requirements of Ships' Officers, Shipowners, Superintendents, Draughtsmen, Engineers, and Others. This work explains, in a simple manner, such important subjects as: — Displacement. — Deadweight.— Tonnage.— Freeboard. —Moments. — Buoyancy.— Strain Structure.— Stability.— Rolling.— Ballasting. — Loading. — Shifting Cargoes. — Admission of Water.— Sail Area.
Seite 43 - The Micro-Structure of Metals and Alloys. — Economic Considerations. " No English text-book at all approaches this in the COMPLETENESS with which the most modern views on the subject are dealt with. Professor Austen's volume will be INVALUABLE, not only to the student, but also to those whose knowledge of the art is far advanced.
Seite 31 - I. — ALKALIES AND ALKALINE EARTH METALS : Magnesium, Lithium, Beryllium, Sodium, Potassium, Calcium, Strontium, Barium, the Carbides of the Alkaline Earth Metals. PART II. — THE EARTH METALS: Aluminium, Cerium, Lanthanum, Didymium. PART III. — THE HEAVY METALS: Copper, Silver, Gold, Zinc and Cadmium, Mercury, Tin, Lead, Bismuth, Antimony, Chromium, Molybdenum, Tungsten, Uranium, Manganese, Iron, Nickel, and Cobalt, the Platinum Group. " COMPREHENSIVE and AUTHORITATIVE ... not only FULL of VALUABLE...
Seite 9 - We are of opinion, therefore, that the term as used in the acts of Congress is applicable to any zone or belt of mineralized rock lying within boundaries clearly separating it from the neighboring rock.
Seite 33 - NYSTROM'S POCKET-BOOK OF MECHANICS AND ENGINEERING. Revised and Corrected by W. DENNIS MARKS, Ph.B., CE (YALE SSS), Whitney Professor of Dynamical Engineering, University of Pennsylvania. Pocket Size. Leather, 155.
Seite 38 - was designed by Professor KANJUNE at an OOCTION to the above Series of Manuals. PROF. RANKINB'S WORKS— (Continued). VII. MISCELLANEOUS SCIENTIFIC PAPERS. Royal 8vo. Cloth, 31s. 6d. Part I. Papers relating to Temperature, Elasticity, and Expansion of Vapours, Liquids, and Solids. Part II. Papers on Energy and its Transformations. Part III. Papers on Wave-Forms, Propulsion of Vessels, &c.
Seite 16 - GENERAL CONTENTS. — The Materials of the Earth — A Mountain Hollow —Down the Valley — Along the Shore — Across the Plains — Dead Volcanoes —A Granite Highland— The Annals of the Earth— The Surrey Hills— The Folds of the Mountains. "The FASCINATING ' OpEN-AlK STUDIES' Of PnOF. OOLE give the subject a GLOW OF ANIMATION . . . cannot fail to arouse keen interest in geology."— Geological Magazine.
Seite 8 - All but the simplest explanations have, therefore, been avoided, and ANSWERS to the Exercises are given. Any person may readily, by careful study, become master of their contents, and thus lay the foundation for a further mathematical course, if desired. It...
Seite 17 - Management. PART II. — SEWAGE DISPOSAL WORKS IN OPERATION— THEIR CONSTRUCTION, MAINTENANCE, AND COST. Illustrated by Plates showing the General Plan and Arrangement adopted in each District.