Practical Coal Mining: A Manual for Managers, Under-managers, Colliery Engineers, and OthersC. Griffin & Company, 1900 - 462 Seiten |
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airways angles arrangement attached boiler bolts bottom brattice bucket cage cent centre chain CHARLES GRIFFIN coal collieries constructed cost cwts cylinder Davy lamp depth diameter distance down-cast drum endless rope engine EXETER STREET explosion factor of safety fathoms fire-damp fixed flame friction furnace gauze gear haulage holes inclination iron length lift load machine method mines minute Mueseler lamp ordinary pass pillars pipes piston pit-bottom pitch pine placed plates plunger pressure props protractor pulley pump quantity of air rails revolutions per minute road rods roof safety lamps screws seam shaft shown in fig side sinking specific gravity speed square steam steel strata stroke surface tail rope taken temperature thick timber tippler tub wheel tube tubs underground up-cast usually valve varies velocity ventilation washer weight wheel winding engines wire wood
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Seite 57 - 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 46 - 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.— &c.
Seite 41 - SPLENDID BOOK . . . contains paragraphs on every point of Interest to the Merchant Marine. The 243 pages of this book are THE MOST VALUABLE to the sea captain that have EVER been COMPILED."— Merchant Service Review.
Seite 70 - Review of the Cement Industry — The Early Days of Portland Cement — Composition of Portland Cement — PROCESSES OF MANUFACTURE — The Washmill and the Backs — Flue and Chamber Drying Processes — Calcination of the Cement Mixture — Grinding of the Cement — Composition of Mortar and Concrete — CEMENT TESTING — CHEMICAL ANALYSIS of Portland Cement, Lime, and Raw Materials — Employment of Slags for Cement Making — • Scott's Cement, Selenitic Cement, and Cements produced from Sewage...
Seite 72 - Pollution of Water. — Ventilation and Warming. — Principles of Sewage Removal. — Details of Drainage ; Refuse Removal and Disposal.— Sanitary and Insanitary Work and Appliances. — Details of Plumbers' Work. — House Construction. — Infection and Disinfection. — Food, Inspection of; Characteristics of Good Meat ; Meat, Milk, Fish, &c., unfit for Human Food. — Appendix : Sanitary Law ; Model Bye-Laws, .^ c.
Seite 44 - 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 42 - British Mercantile Marine. BY EDWARD BLACKMORE, MASTER MARINER ; ASSOCIATE OF THE INSTITUTION OF NAVAL ARCHITECTS; MEMBER OF THE INSTITUTION OF ENGINEERS AND SHIPBUILDERS IN SCOTLAND; EDITOR OF GRIFFIN'S "NAUTICAL SERIES.
Seite 43 - Instruments Used at Sea for Meteorological Purposes.— Meteorological Log-Books.— Atmospheric Pressure.— Air Temperatures.— Sea Temperatures. Winds.— Wind Force Scales.— History of the Law of Storms.— Hurricanes, Seasons, and Storm Tracks. — Solution of the Cyclone Problem. — Ocean Currents.— Icebergs.— Synchronous Charts.— Dew, Mists, Fogs, and Haze.— Clouds.— Rain, Snow, and Hail.— Mirage, Rainbows, Coronas, Halos, and Meteors.— Lightning, Corposants, and Auroras.
Seite 53 - Nitro-compounds — Sprengel's Liquid (acid) Explosives — Other Means of Blasting — Qualities, Dangers, and Handling of Explosives — Choice of Blasting Materials — Apparatus for Measuring Force — Blasting in Fiery Mines — Means of...
Seite 38 - Road Making and Maintenance: A PRACTICAL TREATISE FOR ENGINEERS, SURVEYORS, AND OTHERS. WITH AN HISTORICAL SKETCH OF ANCIENT AND MODERN PRACTICE. BY THOS.