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Updated: May 20, 2025
The melted ore, in the form of a glowing liquid, gathers at the bottom of the furnace and runs out into a large kettle-like receptacle. When ore of these vessels is full it is tipped up and the molten copper which has collected at the bottom, because it is heavier than the slag, is allowed to run into another large kettle, supported by chains from a rolling truck above.
An expression of opinion was obtained recently from some leading soil chemists of this country, and upon such expression we base the estimate that when pulverized limestone costs three dollars a ton, the value of the lime in a ton of basic slag should not be placed higher than 50 cents, and some chemists believe that the lime content is entirely negligible as an agent in soil amendment.
In this connection it is interesting to note that the fibrous texture referred to is imparted to wrought iron by the presence in it of a small proportion of slag from the puddling furnace, and that this can be secured in the Bessemer converter also if desired.
The aim of historians everywhere to give a clear and vivid account, and the desire of Napoleonic enthusiasts to represent their hero as always thinking clearly and acting decisively, have fused trusty ores and worthless slag into an alloy which has passed for true metal.
Great heaps of slag and dumps of cinders loomed up on each side, with the high shafts of the collieries towering above them. Huddled groups of mean, wooden houses, the windows of which were beginning to outline themselves in light, were scattered here and there along the line, and the frequent halting places were crowded with their swarthy inhabitants.
Overhead, skies were grey with ragged, shapeless cloud; below, the waters were the colour of slag and slapping angrily against the plates of the starboard bow under the drive of a wind from the north-east. The ashen cliffs of Dover came to meet the packet reluctant and inhospitable. By the harbour-entrance, a petulant squall of rain beat upon them as though to shoo them away.
They passed through the pitmen's village, all shut up and silent now, and through the turnpike; and then the were out in the real country, and plodding along the black dusty road, between black slag walls, with no sound but the groaning and thumping of the pit- engine in the next field.
In pursuance of his "settled" purpose, our coxswain proceeded to the lifeboat-shed in search of his bowman, Joe Slag, and found him there. "Joe," said he, in the quiet tone that was habitual to him, "Nell and I have made up our minds to go to Australia." "To Austrailly!" exclaimed Slag, leaning his arms on the mop with which he had been washing down the lifeboat.
She thought and thought as the tandem grays arched their necks at the sound of the tramway bells in the nearing city; thought and thought, vague wordless thoughts full of hope; vague womanish thoughts that women have thought since time began of finding that magic vein of heroism in the Man that is to transmute slag into gold, hog into human, and greed into generosity, and lust into love; thought and thought the gentle womanish hoping-against-hope thoughts that women have worn out their lives thinking and enslaved their bodies and pawned their souls.
As a second, and finally a third shell exploded near me, I rowed into the rough water, much disgusted with cadet-practice and military etiquette. After dark the canoe was landed on the deck of a schooner which was discharging slag or cinder at Fort Montgomery Landing.
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