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The pots and pans and tin cooking-utensils shone so brightly from the walls that the flame of the tiny kerosene lamp, reflected from so many sides at once, suggested ten hundredfold the candle-power it possessed. A museumful of treasures could not have added to the charm of the simplicity of the room, which, though small, was ever so cosy compared with the surroundings outside.
I had not seen him in such a glow since before the news of his wife's death. He took me at once into his room. The window blinds were down and the shutters closed; not a ray of daylight came in. The ordinary lights in the room were not lit, but there were a lot of powerful electric lamps, fifty candle-power at least, arranged on one side of the room.
It was, at the time, quite unbelievable; but in less than a year chance took me all the way to that identical little town in the far Northwest, and what the American had said was strictly true true, I doubt not, to a single candle-power and to a fraction of a foot of mast. And a costly and indifferent method of lighting, for a whole town, it may be remarked, it was.
I reached the switch, and an instant later a dozen high candle-power bulbs flooded the suite with light. With a little cry of dismay Helena sprang away, and stood at my shaving-glass, arranging her hair. Now and then she turned her face just enough to smile at me a little, her eyes dark, languid, heavy lidded, a faint shadow of blue beneath.
The apparatus that we illustrate herewith offers some arrangements that are all its own as regards the process of concentrating the light. It is lighted, in fact, by a small incandescent lamp of 2 candle-power, placed within the apparatus and supplied by an accumulator.
I'll have a row of electric lamps up here inside of six months, and you won't know it again, with a thousand candle-power Swan and Edison right here in front of the hall door." The avenue opened into a broad expanse of turf, and the house lay before us. In the fading light I could see that the centre was a heavy block of building from which a porch projected.
The light is worked by vaporised oil. The compressed air drives the oil to the lantern, up through that burner in a hole hardly big enough to take a pin point. It is nearly half a million candle-power. This type of light is considered even better than electricity. In the old-style oil-lights they burned five quarts in the same time that this one consumes a pint with better results."
Curves are then called for of iron and copper investment also energy line curves of candle-power and electromotive force; curves on motors; graphic representation of the consumption of gas January to December; tables and formulae; representations graphically of what one dollar will buy in different kinds of light; "table, weight of copper required different distance, 100-ohm lamp, 16 candles"; table with curves showing increased economy by larger engine, higher power, etc.
A few years ago a consumption of 3.1 watts per candle-power might safely be assumed as an excellent average, and many stations fixed their rates and business on such a basis. The results on income when the consumption, as in the new metallic-filament lamps, drops to 1.25 watts per candle can readily be imagined.
I experienced innumerable tense moments when my horse as frequently happened took me for a bit of a circular tour in an adjacent field, so as to avoid some colossal motor lorry with one headlight of about a million candle-power, which would suddenly roar its way down our single narrow road.
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