Gold Seeking in South Africa: A Handbook of Hints for Intending Explorers, Prospectors, and Settlers : with a Chapter on the Agricultural Prospects of South Africa
C. Griffin, 1902 - 134 Seiten
Was andere dazu sagen - Rezension schreiben
Es wurden keine Rezensionen gefunden.
Andere Ausgaben - Alle anzeigen
Gold Seeking in South Africa: A Handbook of Hints for Intending Explorers ...
Keine Leseprobe verfügbar - 2016
alluvial deposits appear August auriferous beds body called carry CHAPTER chutes clay close conglomerate consists contains course covered December difficulties diorite direction distance district dwts dykes east EDITION Engineer especially exposed farm February feet fields foot-wall formation frequently give gold gold-bearing Goldfield granite ground Hill Illustrations important inches iron January July June Kaap land layers leaders lodes lower main belt Main Reef series March matter miles mining mountains nature necessary noticed November numerous obtained occurs October ounces outcrops owing pebbles places plant Plate pockets portion practical profitable properties prospecting pyrites quartz quartzite Range resting rich river rock sandstone schist seen September shale Sheba shows side situated slate soil sometimes strata strike surface thin timber trees usually valley valuable varies veins whole wide width Witwatersrand yield
Seite 48 - FGS, Borough Engineer and Surveyor, Fulham ; late Borough Engineer, Bacup, Lanes. GENERAL CONTENTS. Introduction. — Hydraulics. — Velocity of Water in Pipes. — Earth Pressures and Retaining Walls. — Powers. — House Drainage.- Land Drainage. — Sewers. — Separate System. — Sewage Pumping.— Sewer Ventilation. — Drainage Areas.— Sewers, Manholes, &c.— Trade Refuse.— Sewage Disposal Works.
Seite 44 - 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 36 - Societies — Loading of Ships — Shipping Legislation, 1884 to 1894 — Statistics of Shipping. THE PERSONNEL : Shipowners— Officers— Mariners — Duties and Present Position. EDUCATION : A Seaman's Education : what it should be — Present Means of Education — Hints. DISCIPLINE AND DUTY — Postscript — The Serious Decrease in the Number of British Seamen, a Matter demanding the Attention of the Nation.
Seite 28 - BY THE SAME AUTHOR. KITCHEN BOILER EXPLOSIONS: Why they Occur, and How to Prevent their Occurrence. A Practical Handbook based on Actual Experiment. With Diagram and Coloured Plate. Price 33.
Seite 40 - 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 46 - THE MEAN DENSITY OF THE EARTH : An Essay to which the Adams Prize was adjudged in 1893 in the University of Cambridge. By JH POYNTING, Sc.D., FRS, Late Fellow of Trinity College, Cambridge; Professor of Physics, Birmingham University. In Large 8vo, with Bibliography, Illustrations in the Text, and Seven Lithographed Plates. 12s. 6d. " Cannot fail to be of GREAT and GENERAL INTEREST."— Athenteum.
Seite 39 - General Contents. — The Qualification for the Position of Shipmaster — The Contract with the Shipowner — The Master's Duty in respect of the Crew : Engagement ; Apprentices ; Discipline ; Provisions, Accommodation, and Medical Comforts ; Payment of Wages and Discharge — The Master's Duty in respect of the Passengers — The Master's Financial Responsibilities— The Master's Duty in respect of the Cargo— The Master...
Seite 20 - In Quarto, Handsome Cloth. With Numerous Plates. 255. THE HEAT EFFICIENCY OF STEAM BOILERS (LAND, MARINE, AND LOCOMOTIVE). With many Tests and Experiments on different Types of Boilers, as to the Heating Value of Fuels, &c., with Analyses of Gases and Amount of Evaporation, and Suggestions for the Testing of Boilers.
Seite 35 - Quite the BEST PUBLICATION on this subject."— Shipping Gazette. Latitude and Longitude : How to find them. By WJ MILLAR, CE SECOND EDITION, Revised. 2s. " Cannot but prove an acquisition to those studying Navigation."— Marine Engineer, Practical Mechanics : Applied to the requirements of the Sailor.