Electric Smelting and Refining: The Extraction and Treatment of Metals by Means of the Electric CurrentCharles Griffin, 1897 - 416 Seiten |
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Seite 5
... volt . A volt is the difference of pressure shown at the ends of a resistance of 1 ohm through which a current strength of 1 ampere is passing . An ( International or Board of Trade ) ohm is equal to the resistance of a column of ...
... volt . A volt is the difference of pressure shown at the ends of a resistance of 1 ohm through which a current strength of 1 ampere is passing . An ( International or Board of Trade ) ohm is equal to the resistance of a column of ...
Seite 10
... volt x 1 ampere ( = 1 watt ) of electrical work is equivalent to a quantity of heat represented by 0.24 gramme - unit of heat , and this in turn is equivalent to 0.102 kilogramme - metre of mechanical work , 1 horse - power is evidently ...
... volt x 1 ampere ( = 1 watt ) of electrical work is equivalent to a quantity of heat represented by 0.24 gramme - unit of heat , and this in turn is equivalent to 0.102 kilogramme - metre of mechanical work , 1 horse - power is evidently ...
Seite 11
... volts ) , an expenditure of work equivalent to 96,537 × E joules is effected . Since the work of 1 joule ( = 1 volt - coulomb ) is equal to the energy which an acceleration of 1 metre in a 1 9.81 second is able to impart to a mass ...
... volts ) , an expenditure of work equivalent to 96,537 × E joules is effected . Since the work of 1 joule ( = 1 volt - coulomb ) is equal to the energy which an acceleration of 1 metre in a 1 9.81 second is able to impart to a mass ...
Seite 12
... volt is necessary . The heat - equivalent of 1 watt ( 1 volt - ampere ) is therefore 0.24 gramme - calorie , so that an electric horse - power ( 746 volt - amperes ) affords 0.179 kilogramme - calorie per second . Given , then , a known ...
... volt is necessary . The heat - equivalent of 1 watt ( 1 volt - ampere ) is therefore 0.24 gramme - calorie , so that an electric horse - power ( 746 volt - amperes ) affords 0.179 kilogramme - calorie per second . Given , then , a known ...
Seite 22
... volts ; and the dynamo was driven by a 1 - H.P gas engine made by Körting , of Hanover . When one crucible was employed , the current strength averaged 35 amperes ; but by coupling two crucibles in series , it ranged from 22 to 25 ...
... volts ; and the dynamo was driven by a 1 - H.P gas engine made by Körting , of Hanover . When one crucible was employed , the current strength averaged 35 amperes ; but by coupling two crucibles in series , it ranged from 22 to 25 ...
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alkaline alkaline earth metals alloy alumina aluminium aluminium fluoride amperes per sq anode antimony apparatus arrangement bath bismuth Borchers bottom calcined calcium carbon rods cathode cell cent cerium charge chemical chloride chromium compartment compounds conductor connection consists containing crucible cryolite cuprous current density cyanide decomposed deposited described dissolved dynamo electric current electrodes electrolyte electromotive force employed Engineering English Patent experiments extraction fluoride furnace fused German Patent gold grms heat hydrogen impurities insoluble iron latter lead liquid lithium magnesium material matte melting vessel mercury metal metallurgical method metre mixture nickel obtained operation oxide oxidised oxygen placed plant plates pole potassium practical precipitated production proportion pure quantity reduced refining residue reverberatory furnace roasted salts separated Siemens silver smelting sodium soluble solution specific gravity substances sufficient suitable sulphide sulphuric acid surface tank temperature tion treated treatment tube vats volts whilst wire zinc zinc sulphate
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Seite 155 - Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is (d).
Seite 36 - Water, •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 29 - 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 32 - MANUAL OF CIVIL ENGINEERING : Comprising Engineering Surveys, Earthwork, Foundations, Masonry, Carpentry, Metal Work, Roads, Railways, Canals, Rivers, Waterworks, Harbours, &c. With Numerous Tables and Illustrations. Crown 8vo. cloth. TWENTY-SECOND EDITION. 16s. A MANUAL OF MACHINERY AND MILLWORK : Comprising the Geometry, Motions, Work, Strength, Construction, and Objects of Machines, &c.
Seite 37 - Principal Medical Officer, Seamen's Hospital, Greenwich. ".* The attention of all interested in our Merchant Navy is requested to this exceedingly useful and valuable work. It is needless to say that it is the outcome of many years PRACTICAL EXPERIENCE amongst Seamen.
Seite 7 - Barrister-at-Law. Public Analyst for the County of Devon, and Medical Officer of Health for St. Marylebone.
Seite 47 - The little book will be found EXCEEDINGLY HANDY by most officers and officials connected with shipping. . . . Mr. Walton's work will obtain LASTING SUCCESS, because of its unique fitness for those for whom it has been written." — Shipping World. ' ' An EXCELLENT WORK, full of solid instruction and INVALUAELE to every officer of the Mercantile Marine who has his profession at heart.
Seite 42 - A MANUAL OF MARINE ENGINEERING: COMPRISING THE DESIGNING, CONSTRUCTION, AND WORKING OF MARINE MACHINERY.
Seite 38 - 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 29 - A POCKET-BOOK of ELECTRICAL RULES and TABLES For the Use of Electricians and Engineers.