The Electrical Review, Band 25IPC Electrical-Electronic Press,., 1889 |
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Ergebnisse 1-5 von 77
Seite ii
... test , A , by S. D. Green , 28 Should it be so ? by Enquirer , " 516 Spinning crystal , by " F. M. , " 28,83 Strike at ... tests , by P. Cardew , 516 Underground mains , by D. Brooks , 625 Units of measurement , by W. M. Madden , 654 ...
... test , A , by S. D. Green , 28 Should it be so ? by Enquirer , " 516 Spinning crystal , by " F. M. , " 28,83 Strike at ... tests , by P. Cardew , 516 Underground mains , by D. Brooks , 625 Units of measurement , by W. M. Madden , 654 ...
Seite viii
... Testing the Ferranti cable with a tension of one million volts , Dr. A. Koep- sal , 467 Tests made for Health Department of the City of New York , 729 Tests of the Timmis and Forbes patent electro - magnetic railway brake , 715 Theatre ...
... Testing the Ferranti cable with a tension of one million volts , Dr. A. Koep- sal , 467 Tests made for Health Department of the City of New York , 729 Tests of the Timmis and Forbes patent electro - magnetic railway brake , 715 Theatre ...
Seite 29
... tests made by Mr. A. Reckenzaun at Philadelphia in the year 1887 , and published in our issues of July 6th and 13th last year . These were probably the first systematic tests carried out with electric cars in the United States , and the ...
... tests made by Mr. A. Reckenzaun at Philadelphia in the year 1887 , and published in our issues of July 6th and 13th last year . These were probably the first systematic tests carried out with electric cars in the United States , and the ...
Seite 33
... test the cables before fixing , and Prof. Jamieson , of Glasgow , adopted the following rule , viz . , one megohm per lamp for every volt , the coils being submerged in water not less than six hours , immediately before and during the tests ...
... test the cables before fixing , and Prof. Jamieson , of Glasgow , adopted the following rule , viz . , one megohm per lamp for every volt , the coils being submerged in water not less than six hours , immediately before and during the tests ...
Seite 42
... tests by the National Smoke Abatement Institution was that this furnace evaporated as much water per hour with Welsh dust as an ordinary furnace did with hard steam coal , the saving in cost in this case also being 50 per cent . The ...
... tests by the National Smoke Abatement Institution was that this furnace evaporated as much water per hour with Welsh dust as an ordinary furnace did with hard steam coal , the saving in cost in this case also being 50 per cent . The ...
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Beliebte Passagen
Seite 240 - Report of the commission to investigate and report the most humane and practical method of carrying into effect the sentence of death in capital cases...
Seite 191 - ... shall, unless otherwise agreed between the parties interested, or in case of sudden emergency, give to the County Council or local authority, or to such gas or water company or to the undertakers (as the case may be) in this section referred to as the
Seite 191 - ... pounds, and in the case of a continuing offence to a further penalty not exceeding forty shillings for every day during which the offence continues.
Seite 52 - I can observe the disturbances due to the current in the first coil. The question is forced upon us as to how this action takes place. How is it possible to transmit so much power to such a distance across apparently unoccupied space ? According to our modern theories of physics there must be some medium engaged in this transmission. We know that it is not the air, because the same effects take place in a vacuum, and, therefore, we must fall back on that medium which transmits light and which we...
Seite 191 - ... complied with the requirements of this section so far as was reasonable under the circumstances, or that the default...
Seite 26 - Tu'blequenfktwas in existence, and was in public use, that is, if use or if trials tere patent. hadj>een made of it in the eye and in the presence of the public, it is not necessary that it should come down to the time when the patent was granted. If it was discontinued, still that is sufficient evidence in support of the prior use so as to invalidate the letters patent.
Seite 136 - ... unless they refuse or neglect to give such superintendence at the time specified in the notice for the commencement of the work or discontinue the same during the progress of the work; and...
Seite 66 - ... line is intended to be used, and the amount and nature of the currents intended to be transmitted thereby, and the extent to and manner in which (if at all) earth returns are proposed to be used ; and any owner entitled to receive that notice may serve a requisition on the...
Seite 250 - Trade, to a thickness of not less than one-tenth " part of an inch ; and in cases where the extreme difference of " potential in the circuit exceeds 2,000 volts, the thickness of...
Seite 53 - ... the wire, provided only that it is a good conductor. We have then, in the case of electrical waves along a wire, a disturbance outside the wire and a current within it, and the equations of Maxwell allow us to calculate these with perfect accuracy and give all the laws with respect to them. We thus find that the velocity of propagation of the waves along a wire, hung far away from other bodies and made of good conducting material, is that of light, or 185,000 miles per second ; but when it is...