Aids in Practical Geology
C. Griffin, 1902 - 431 Seiten
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abundant acid altered angle appear areas axis basal base bead become Bismuth blue brown calcite carbonate character characteristic cleavage closed colour colourless common commonly compared constituents contain crossed crystalline crystals dark deposits determination developed direction distinguished easily edges examined examples fairly felspar field flame forms fossils fragments Geol gives glass grains green groundmass hardness heated hexagonal hornblende igneous iron known lateral light limestones liquid lower marked mass material mica microscope minerals minute nature nicols noted observed occur olivine optic ordinary original oxide parallel phonolites planes plates position powder present prisms produced pyroxene quartz rare reaction Recent remain represented resemble result rocks rotation round sections seen separation shell side silica soda solution sometimes specific specimens spherulites structure sulphur surface thin trace tube types typical valve varieties
Seite 63 - 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 33 - TRAVERSE TABLES: Computed to Four Places of Decimals for every Minute of Angle up to 100 of Distance. For the Use of Surveyors and Engineers. BY RICHARD LLOYD GURDEN, Authorised Surveyor for the Governments of New South Wales and Victoria, *»* Published with the Concurrence oj the Surveyors- General for New South Wales and Victoria. "Those who have experience in exact SURVEY-WORK will best know how to appreciate the enormous amount of labour represented by this valuable book.
Seite 35 - A MANUAL OF APPLIED MECHANICS : Comprising the Principles of Statics and Cinematics, and Theory of Structures, Mechanism, and Machines. With Numerous Diagrams. Crown 8vo, cloth, 12s. 6d. FOURTEENTH EDITION. II. A MANUAL OF CIVIL ENGINEERING : Comprising Engineering Surveys, Earthwork, Foundations, Masonry, Carpentry, Metal Work, Roads, Railways, Canals, Rivers, Waterworks, Harbours, &c.
Seite 27 - GENERAL CONTENTS. Historical and Discursive. — Dock Design. — Constructive Appliances. — Materials. — Dock and Quay Walls. — Entrance Passages and Locks. — Jetties, Wharves, and Piers. — Dock Gates and Caissons. — Transit Sheds and Warehouses. — Dock Bridges. — Graving and Repairing Docks. — Working Equipment of Docks. — INDEX. " We have never seen a more profusely-illustrated treatise. It is a most important standard work, and should be in the hands of all dock and harbour...
Seite 72 - Barrister-at-Law, Public Analyst for the County of Devon, and Medical Officer of Health for St. Marylebone. AND M. WYNTER BLYTH, BA, B.Sc., FCS GENERAL CONTENTS. — History of Adulteration. — Legislation. — Apparatus. —
Seite 40 - Examinations — Rise and Progress of Steam Propulsion — Development of Free Trade— Shipping Legislation, 1862 to 1875— " Locksley Hall" CaseShipmasters' Societies — Loading of Ships — Shipping Legislation, 1884 to 1894 — Statistics of Shipping.
Seite 63 - CONTENTS.— The Relation of Metallurgy to Chemistry. — Physical Properties of Metals. — Alloys. — The Thermal Treatment of Metals. — Fuel and Thermal Measurements. — Materials and Products of Metallurgical Processes. — Furnaces. — Means of Supplying Air to Furnaces.
Seite 76 - University College. Aberystwyth ; Examiner in Zoology, University of Aberdeen. " It would be hard to find a Text-book which would better guide the student to an accurate knowledge of modern discoveries in Botany. . . . The SCIENTIFIC ACCURACY of statement...
Seite 28 - Experiments on English and Foreign Boilers with their Heat Efficiencies shown in Fifty Tables — Fire Grates of Various Types — Mechanical Stokers — Combustion of Fuel in Boilers — Transmission of Heat through Boiler Plates, and their Temperature — Feed Water Heaters, Superheaters, Feed Pumps, &c. — Smoke and its Prevention — Instruments used in Testing Boilers — Marine and Locomotive Boilers — Fuel Testing Stations — Discussion of the Trials and Conclusions — On the Choice of...
Seite 85 - SKETCHES OF BRITISH BIRDS IN THEIR HAUNTS. BY CHARLES DIXON. The Spacious Air. — The Open Fields and Downs. — In the Hedgerows.— On Open ; Heath and Moor. — On the Mountains. — Amongst the Evergreens. — Copse and Woodland. — By Stream and Pool. — The Sandy Wastes and Mudflats.— Sea-laved Rocks.— Birds of the Cities.— INDEX. "Enriched with excellent illustrations. A welcome addition to all libraries.