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Updated: May 29, 2025
Then they are weighed again to see how much of their material has been rubbed off. A third test is to put one brick on edge into a crushing machine to see how much pressure it will stand. Paving-brick is cheaper than granite blocks, and if it has a good foundation of concrete covered with sand, it will last about three fourths as long. Brick is less noisy than stone and is easier to clean.
Here it was cast in large brick molds, these being knocked off and the metal left to slack, after which it was melted again and finally turned into gray-black blocks of the size and form of a paving-brick, 85 per cent. pure, about as heavy as the average lady would care to lift, and worth something like $1250 each.
"A bit of mountain scenery on the prairie," said Jim. "And more than that, or less than that, just as you look at it, it's the source from which inexhaustible supplies of stone will be quarried when we begin to build things." "But won't that spoil it?" said Alice. "Well, yes; and down on that bottom we've found as good clay for pottery, sewer-pipes, and paving-brick as exists anywhere.
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