 | 1883 - 572 стор.
...the prospects of reduction of this cost ? Beginning with the engine and boiler, the electrician had no right to look forward to any marked and exceptional advance in their economy. Next came the dynamo, the best of these were so good, that there was little room for economy in the conversion... | |
 | Institution of Civil Engineers (Great Britain) - 1884 - 204 стор.
...obtain more than 5 candles per cubic foot of gas, a result you would be puzzled to obtain in 16-candle gas burners. With arc lights instead of incandescent...into electrical energy; but the prime cost of the dynamo-machine is sure to be greatly reduced. Our hope of greatly increased economy must be mainly... | |
 | Institution of civil engineers - 1884 - 200 стор.
...obtain more than 5 candles per cubic foot of gas, a result you would be puzzled to obtain in 16-candle gas burners. With arc lights instead of incandescent...into electrical energy; but the prime cost of the dynamo-machine is sure to be greatly reduced. Our hope of greatly increased economy must be mainly... | |
 | John Hopkinson - 1896 - 188 стор.
...obtain more than 5 candles per cubic foot of gas, a result you would be puzzled to obtain in 16-candle gas burners. With arc lights instead of incandescent...into electrical energy ; but the prime cost of the dynamo-machine is sure to be greatly reduced. Our hope of greatly increased economy must be mainly... | |
 | 1883 - 562 стор.
...time, lighting by electricity in London must cost something more than lighting by gas. Let us see i what are the prospects of reduction of this cost....best of these are so good, converting 80 per cent, of thei work done in driving the machine into electrical work outside the machine, that the-re is little... | |
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... gas engine driving a dynamo, and using the electricity in the ordinary way in incandescent lamps, we can obtain more than 5 candles per cubic foot of gas, a result you would be puzzled to obtain in 16-candle gas burners. With arc lights instead of... 