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Scientific American, Vol. 68, No. 1 (1893) (1893)

leaf 8

An illustration from Scientific American, Vol. 68, No. 1 (1893), 1893, leaf 8
ds the proverbial delay in stone contracts, which is a in the least, the tool marks being as clearly discernible as if made yesterday. Prof. Newberry has expressed standing joke among builders. Although it is-the policy of the company to sell rough stone only,.yet the opinion that “ had the’… … Prof. Wilbur, of Rutgers College, to pleasing and bright tint. About fifty COLUMBIA COLLEGE, NEW YORK. Dr. Smock, the New York State Eco- feet of these layers is exposed in the nomic Geologist, showed that this quarries. Stone can be taken out stone withstood repeated heating to the temperature…

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